Note: Titles in ALL CAPITALS have been extensively revised recently.
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| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #1 | Dark Horse, July 1993 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #2 | Dark Horse, September 1993 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #3 | Dark Horse, November 1993 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #4 | Dark Horse, January 1994 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #5 | Dark Horse, March 1994 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #6 | Dark Horse, May 1994 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #7 | Dark Horse, August 1994 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #8 | Dark Horse, October 1994 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #9 | Dark Horse, December 1994 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #10 | Dark Horse, February 1995 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #11 | Dark Horse, May 1995 | writer |
| ALIENS/PREDATOR: THE DEADLIEST OF THE SPECIES #12 | Dark Horse, August 1995 | writer |
| Amazing Adventures 1 | Marvel, 1988 | writer of one story |
| Avengers 102 | Marvel, August 1972 | idea suggestion |
| Avengers Annual 10 | Marvel, 1981 | writer and co-editor |
| BAMF: THE DAVE COCKRUM TREASURY | Aardwolf Publishing, 2003 | writer of text introduction |
| Best of Marvel Comics | Marvel, 1987 | writer of one story |
| Bizarre Adventures 25 | Marvel, March 1981 | writer of two stories |
| Bizarre Adventures 27 | Marvel, July 1981 | writer of one story |
| Black Dragon 1 | Marvel/Epic, May 1985 | writer |
| Black Dragon 2 | Marvel/Epic, June 1985 | writer |
| Black Dragon 3 | Marvel/Epic, July 1985 | writer |
| Black Dragon 4 | Marvel/Epic, August 1985 | writer |
| Black Dragon 5 | Marvel/Epic, September 1985 | writer |
| Black Dragon 6 | Marvel/Epic, October 1985 | writer |
| Black Goliath 2 | Marvel, April 1976 | writer |
| Black Goliath 3 | Marvel, June 1976 | writer |
| Black Goliath 4 | Marvel, August 1976 | writer |
| Black Goliath 5 | Marvel, November 1976 | writer |
| Captain America 237 | Marvel, September 1979 | plotter |
| Captain America 258 | Marvel, June 1981 | plotter; co-scripter |
| Captain Britain trade paperback | Marvel, September 1988 | writer of text introduction only |
| Captain Britain 1 | Marvel UK, 13 October 1976 | writer of first story |
| Captain Britain 2 | Marvel UK, 20 October 1976 | writer of first story |
| Captain Britain 3 | Marvel UK, 27 October 1976 | writer of first story |
| Captain Britain 4 | Marvel UK, 3 November 1976 | writer of first story |
| Captain Britain 5 | Marvel UK, 10 November 1976 | writer of first story |
| Captain Britain 6 | Marvel UK, 17 November 1976 | writer of first story |
| Captain Britain 7 | Marvel UK, 24 November 1976 | writer of first story |
| Captain Britain 8 | Marvel UK, 1 December 1976 | writer of first story, uncredited |
| Captain Britain 9 | Marvel UK, 8 December 1976 | writer of first story |
| Captain Britain 10 | Marvel UK, 15 December 1976 | writer of first story |
| Captain Marvel 46 | Marvel, September 1976 | writer |
| Champions 4 | Marvel, March 1976 | writer |
| Classic X-Men 1 | Marvel, September 1986 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 2 | Marvel, October 1986 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 3 | Marvel, November 1986 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 4 | Marvel, December 1986 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 5 | Marvel, January 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 6 | Marvel, February 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 7 | Marvel, March 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 8 | Marvel, April 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 9 | Marvel, May 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 10 | Marvel, June 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 11 | Marvel, July 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 12 | Marvel, August 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 13 | Marvel, September 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 14 | Marvel, October 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 15 | Marvel, November 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 16 | Marvel, December 1987 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 17 | Marvel, January 1988 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 18 | Marvel, February 1988 | writer of new material in reprinted story |
| Classic X-Men 19 | Marvel, March 1988 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 20 | Marvel, April 1988 | writer of new material in reprinted story |
| Classic X-Men 21 | Marvel, May 1988 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 22 | Marvel, June 1988 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 23 | Marvel, July 1988 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 24 | Marvel, August 1988 | writer of new material in reprinted story; writer of new back-up story |
| Classic X-Men 25 | Marvel, September 1988 | writer of new material in reprinted story |
| Classic X-Men 26 | Marvel, October 1988 | writer of new material in reprinted story |
| Classic X-Men 27 | Marvel, November 1988 | writer of new material in reprinted story |
| Classic X-Men 29 | Marvel, January 1989 | writer of new back-up story |
| Classic X-Men 41 | Marvel, December 1989 | writer of new back-up story |
| Classic X-Men 42 | Marvel, Mid December 1989 | writer of new back-up story |
| Classic X-Men 43 | Marvel, January 1990 | writer of new back-up story |
| CONTEST OF CHAMPIONS II #1 | Marvel, September 1999 | writer |
| CONTEST OF CHAMPIONS II #2 | Marvel, September 1999 | writer |
| CONTEST OF CHAMPIONS II #3 | Marvel, October 1999 | writer |
| CONTEST OF CHAMPIONS II #4 | Marvel, November 1999 | writer |
| CONTEST OF CHAMPIONS II #5 | Marvel, November 1999 | writer |
| Crazy Magazine 6 | Marvel/Curtis, August 1974 | member of editorial staff |
| CROSSOVER CLASSICS: THE MARVEL/DC COLLECTION | Marvel/DC, 1991 | writer of text introduction to reprinted story |
| CYBERFORCE (VOL. 2) #9 | Image, December 1994 | writer |
| CYBERFORCE (VOL. 2) #10 | Image, February 1995 | writer |
| CYBERFORCE (VOL. 2) #11 | Image, March 1995 | writer |
| D'arc Tangent 1 | ffantasy ffactory, August 1982 | editorial consultant |
| Daredevil 102 | Marvel, August 1973 | writer |
| Daredevil 117 | Marvel, January 1975 | script |
| DAREDEVIL #375 | Marvel, May 1998 | story assist |
| Daredevil Annual 4 | Marvel, 1976 | script |
| DARK HORSE COMICS #1 | Dark Horse, August 1992 | writer of one story |
| DARK HORSE COMICS #2 | Dark Horse, September 1992 | writer of one story |
| Deadly Hands of Kung Fu 2 | Marvel/Curtis, June 1974 | member of editorial staff |
| Deadly Hands of Kung Fu 3 | Marvel/Curtis, August 1974 | member of editorial staff |
| Deadly Hands of Kung Fu 4 | Marvel/Curtis, September 1974 | member of editorial staff |
| Deadly Hands of Kung Fu 5 | Marvel/Curtis, October 1974 | writer of movie review; member of editorial staff |
| Deadly Hands of Kung Fu 6 | Marvel/Curtis, November 1974 | member of editorial staff |
| Deadly Hands of Kung Fu 7 | Marvel/Curtis, December 1974 | member of editorial staff |
| Deadly Hands of Kung Fu 19 | Marvel, December 1975 | writer of one story |
| Deadly Hands of Kung Fu 20 | Marvel, January 1976 | writer of one story |
| Deadly Hands of Kung Fu 21 | Marvel, February 1976 | writer of one story |
| Deadly Hands of Kung Fu 22 | Marvel, March 1976 | writer of one story |
| Deadly Hands of Kung Fu 23 | Marvel, April 1976 | writer of one story |
| Deadly Hands of Kung Fu 24 | Marvel, May 1976 | writer of one story |
| Deadly Hands of Kung Fu 32 | Marvel, January 1977 | writer of one story |
| Deadly Hands of Kung Fu 33 | Marvel, February 1977 | writer of one story |
| Deadly Hands of Kung Fu Special Album Edition 1 | Marvel/Curtis, Summer 1974 | writer of one chapter in a three-chapter story; member of editorial staff |
| Defenders 19 | Marvel, January 1975 | script |
| Defenders 57 | Marvel, March 1978 | script |
| Doc Savage: The Man of Bronze 1 | Marvel/Curtis, August 1975 | conductor of interview |
| Doctor Strange 38 | Marvel, December 1979 | writer |
| Doctor Strange 39 | Marvel, February 1980 | writer |
| Doctor Strange 40 | Marvel, April 1980 | writer |
| Doctor Strange 41 | Marvel, June 1980 | writer |
| Doctor Strange 42 | Marvel, August 1980 | writer |
| Doctor Strange 43 | Marvel, October 1980 | writer |
| Doctor Strange 44 | Marvel, December 1980 | writer |
| Doctor Strange 45 | Marvel, February 1981 | writer |
| Dracula Lives! 2 | Marvel/Curtis, 1973 | writer of a brief prose story |
| Dracula Lives! 3 | Marvel/Curtis, October 1973 | writer of a brief prose story |
| Dracula Lives! 4 | Marvel/Curtis, January 1974 | writer of a book review |
| Dracula Lives! 5 | Marvel/Curtis, March 1974 | writer of a book review |
| Dracula Lives! 7 | Marvel/Curtis, July 1974 | member of editorial staff |
| Dracula Lives! 8 | Marvel/Curtis, September 1974 | writer of a brief prose story; member of editorial staff |
| Dracula Lives! 9 | Marvel/Curtis, November 1974 | member of editorial staff |
| DRAGON MOON | Bantam, December 1994 | co-writer |
| Epic Illustrated 10 | Marvel/Epic, February 1982 | writer of one story |
| Epic Illustrated 11 | Marvel/Epic, April 1982 | writer of one story |
| Epic Illustrated 12 | Marvel/Epic, June 1982 | writer of one story |
| Epic Illustrated 18 | Marvel/Epic, June 1983 | writer of one story |
| Epic Illustrated 22 | Marvel/Epic, February 1984 | writer of one story |
| Epic Illustrated 23 | Marvel/Epic, April 1984 | writer of one story |
| Excalibur Special Edition | Marvel, 1987 | writer |
| Excalibur 1 | Marvel, October 1988 | writer |
| Excalibur 2 | Marvel, November 1988 | writer |
| Excalibur 3 | Marvel, December 1988 | writer |
| Excalibur 4 | Marvel, January 1989 | writer |
| Excalibur 5 | Marvel, February 1989 | writer |
| Excalibur 6 | Marvel, March 1989 | writer |
| Excalibur 7 | Marvel, April 1989 | writer |
| Excalibur 8 | Marvel, May 1989 | writer |
| Excalibur 9 | Marvel, June 1989 | writer |
| Excalibur 10 | Marvel, July 1989 | writer |
| Excalibur 11 | Marvel, August 1989 | writer |
| Excalibur 12 | Marvel, September 1989 | writer |
| Excalibur 13 | Marvel, October 1989 | writer |
| Excalibur 14 | Marvel, November 1989 | writer |
| Excalibur 15 | Marvel, Mid November 1989 | writer |
| Excalibur 16 | Marvel, December 1989 | co-plot; script |
| Excalibur 17 | Marvel, Mid December 1989 | co-plot; script |
| Excalibur 18 | Marvel, January 1990 | writer |
| Excalibur 19 | Marvel, February 1990 | writer |
| EXCALIBUR #21 | Marvel, April 1990 | writer |
| EXCALIBUR #22 | Marvel, May 1990 | writer |
| EXCALIBUR #23 | Marvel, June 1990 | writer |
| EXCALIBUR #24 | Marvel, July 1990 | writer |
| EXCALIBUR #25 | Marvel, Early August 1990 | writer |
| EXCALIBUR #27 | Marvel, Late August 1990 | writer |
| EXCALIBUR #32 | Marvel, December 1990 | writer |
| EXCALIBUR #33 | Marvel, January 1991 | writer |
| EXCALIBUR #34 | Marvel, February 1991 | writer |
| Excalibur: Mojo Mayhem | Marvel, 1989 | writer |
| FANTASTIC FOUR (VOL. 3) #4 | Marvel, April 1998 | script |
| FANTASTIC FOUR (VOL. 3) #5 | Marvel, May 1998 | co-writer |
| FANTASTIC FOUR (VOL. 3) #6 | Marvel, June 1998 | writer |
| FANTASTIC FOUR (VOL. 3) #7 | Marvel, July 1998 | writer |
| FANTASTIC FOUR (VOL. 3) #8 | Marvel, August 1998 | writer of first story |
| FANTASTIC FOUR (VOL. 3) #9 | Marvel, September 1998 | writer |
| FANTASTIC FOUR (VOL. 3) #10 | Marvel, October 1998 | writer |
| FANTASTIC FOUR (VOL. 3) #11 | Marvel, November 1998 | writer |
| FANTASTIC FOUR (VOL. 3) #12 | Marvel, December 1998 | writer |
| FANTASTIC FOUR (VOL. 3) #13 | Marvel, January 1989 | writer |
| FANTASTIC FOUR (VOL. 3) #14 | Marvel, February 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #15 | Marvel, March 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #16 | Marvel, April 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #17 | Marvel, May 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #18 | Marvel, June 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #19 | Marvel, July 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #20 | Marvel, August 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #21 | Marvel, September 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #22 | Marvel, October 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #23 | Marvel, November 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #24 | Marvel, December 1999 | writer |
| FANTASTIC FOUR (VOL. 3) #25 | Marvel, January 2000 | writer |
| FANTASTIC FOUR (VOL. 3) #26 | Marvel, February 2000 | writer |
| FANTASTIC FOUR (VOL. 3) #27 | Marvel, March 2000 | writer |
| FANTASTIC FOUR (VOL. 3) #28 | Marvel, April 2000 | writer |
| FANTASTIC FOUR (VOL. 3) #29 | Marvel, May 2000 | writer |
| FANTASTICFOUR (VOL. 3) #30 | Marvel, June 2000 | writer |
| FANTASTIC FOUR (VOL. 3) #31 | Marvel, July 2000 | writer |
| FANTASTIC FOUR (VOL. 3) #32 | Marvel, August 2000 | writer |
| FANTASTIC FOUR 1999 | Marvel, 1999 | writer |
| FANTASTIC FOUR 2000 | Marvel, 2000 | writer of second story |
| Fantastic Four vs. X-Men 1 | Marvel, February 1987 | writer |
| Fantastic Four vs. X-Men 2 | Marvel, March 1987 | writer |
| Fantastic Four vs. X-Men 3 | Marvel, April 1987 | writer |
| Fantastic Four vs. X-Men 4 | Marvel, June 1987 | writer |
| FANTASTIC 4TH VOYAGE OF SINBAD | Marvel, September 2001 | writer |
| FIRSTFLIGHT | Ace, December 1987 | writer |
| Foom 5 | Marvel, Spring 1974 | writer of book review |
| Foom 13 | Marvel, March 1976 | editor; writer of editorial; co-writer of text article; conductor of interview with Stan Lee; contributer to "Department of InFOOMation" |
| Foom 14 | Marvel, June 1976 | editor; writer of editorial |
| Foom 18 | Marvel, June 1977 | contributer to "Department of InFOOMation" |
| Foom 20 | Marvel, Winter 1978 | contributer to "Department of InFOOMation" |
| Foom 22 | Marvel, Autumn 1978 | contributer to "Department of InFOOMation" |
| GEN13 #0 | WildStorm, September 2002 | writer of first story |
| GEN13 #1 | WildStorm, November 2002 | writer |
| GEN13 #2 | WildStorm, December 2002 | writer |
| GEN13 #3 | WildStorm, January 2003 | writer |
| GEN13 #4 | WildStorm, February 2003 | writer |
| GEN13 #5 | WildStorm, March 2003 | writer |
| GEN13 #6 | WildStorm, April 2003 | writer |
| GEN13 #7 | WildStorm, May 2003 | writer |
| GEN13 #8 | WildStorm, June 2003 | writer |
| GEN13 #9 | WildStorm, July 2003 | writer |
| GEN13 #10 | WildStorm, August 2003 | writer |
| GEN13 #11 | WildStorm, September 2003 | writer |
| GEN13 #12 | WildStorm, October 2003 | writer |
| GEN13 #13 | WildStorm, November 2003 | writer |
| GEN13 #14 | WildStorm, December 2003 | writer |
| GEN13 #15 | WildStorm, January 2004 | writer |
| GEN13 #16 | WildStorm, February 2004 | writer |
| Giant-Size Defenders 5 | Marvel, July 1975 | co-plot |
| Giant-Size Dracula 2 | Marvel, September 1974 | writer |
| Giant-Size Dracula 3 | Marvel, December 1974 | credits indicate writer, but I believe this is questionable |
| Giant-Size Fantastic Four 4 | Marvel, February 1975 | co-writer |
| Giant-Size X-Men 1 | Marvel, 1975 | uncredited plot suggestion |
| GROUNDED! | Ace, August 1991 | writer |
| Haunt of Horror 2 | Marvel/Curtis, July 1974 | writer of article; transcriber of discussion; member of editorial staff |
| Haunt of Horror 3 | Marvel/Curtis, September 1974 | transcriber of discussion; member of editorial staff |
| Haunt of Horror 4 | Marvel/Curtis, November 1974 | writer of prose story; member of editorial staff |
| Haunt of Horror 5 | Marvel/Curtis, January 1975 | writer of one story; member of editorial staff |
| HEROES | Marvel, December 2001 | contributor to page 44 |
| Heroes for Hope starring the X-Men | Marvel, December 1985 | co-plot; co-script; co-editor |
| HEROES REBORN: ASHEMA #1 | Marvel, January 2000 | writer |
| HEROES REBORN: DOOM #1 | Marvel, January 2000 | writer |
| HEROES REBORN: DOOMSDAY #1 | Marvel, January 2000 | writer |
| HEROESREBORN: THE RETURN#1 | Marvel, December 1997 | contributed to story concept/creation |
| HEROES REBORN: THE RETURN#2 | Marvel, December 1997 | contributed to story concept/creation |
| HEROES REBORN: THE RETURN #3 | Marvel, December 1997 | contributed to story concept/creation |
| HEROES REBORN: THE RETURN #4 | Marvel, December 1997 | contributed to story concept/creation |
| Incredible Hulk 148 | Marvel, February 1972 | plot assist |
| Incredible Hulk 170 | Marvel, December 1973 | script |
| Incredible Hulk Annual 5 | Marvel, 1976 | script |
| Iron Fist 1 | Marvel, November 1975 | writer |
| Iron Fist 2 | Marvel, December 1975 | writer |
| Iron Fist 3 | Marvel, February 1976 | writer |
| Iron Fist 4 | Marvel, April 1976 | writer |
| Iron Fist 5 | Marvel, June 1976 | writer |
| Iron Fist 6 | Marvel, August 1976 | writer |
| Iron Fist 7 | Marvel, September 1976 | writer |
| Iron Fist 8 | Marvel, October 1976 | writer |
| Iron Fist 9 | Marvel, November 1976 | writer |
| Iron Fist 10 | Marvel, December 1976 | writer |
| Iron Fist 11 | Marvel, February 1977 | writer |
| Iron Fist 12 | April 1977 | writer |
| Iron Fist 13 | Marvel, June 1977 | writer |
| Iron Fist 14 | Marvel, August 1977 | writer |
| Iron Fist 15 | September 1977 | writer |
| IRON MAN (VOL. 3) #14 | Marvel, March 1999 | travel agent |
| IRON MAN 2001 | Marvel, 2001 | writer of first story |
| John Carter, Warlord of Mars 16 | Marvel, September 1978 | writer |
| John Carter, Warlord of Mars 17 | Marvel, October 1978 | writer |
| John Carter, Warlord of Mars 18 | Marvel, November 1978 | writer |
| John Carter, Warlord of Mars 19 | Marvel, December 1978 | writer |
| John Carter, Warlord of Mars 20 | Marvel, January 1979 | writer |
| John Carter, Warlord of Mars 21 | Marvel, February 1979 | writer |
| John Carter, Warlord of Mars 22 | Marvel, March 1979 | writer |
| John Carter, Warlord of Mars 23 | Marvel, April 1979 | writer |
| John Carter, Warlord of Mars 24 | Marvel, May 1979 | writer |
| John Carter, Warlord of Mars 25 | Marvel, July 1979 | writer |
| John Carter, Warlord of Mars 26 | Marvel, August 1979 | writer |
| John Carter, Warlord of Mars 27 | Marvel, September 1979 | writer |
| John Carter, Warlord of Mars Annual 3 | Marvel, 1979 | script |
| JLA #94 | writer | |
| JLA: SCARY MONSTERS #1 | DC, May 2003 | writer |
| JLA: SCARY MONSTERS #2 | DC, June 2003 | writer |
| JLA: SCARY MONSTERS #3 | DC, July 2003 | writer |
| JLA: SCARY MONSTERS #4 | DC, August 2003 | writer |
| JLA: SCARY MONSTERS #5 | DC, September 2003 | writer |
| JLA: SCARYMONSTERS #6 | DC, October 2003 | writer |
| Kitty Pryde and Wolverine 1 | Marvel, November 1984 | writer |
| Kitty Pryde and Wolverine 2 | Marvel, December 1984 | writer |
| Kitty Pryde and Wolverine 3 | Marvel, January 1985 | writer |
| Kitty Pryde and Wolverine 4 | Marvel, February 1985 | writer |
| Kitty Pryde and Wolverine 5 | Marvel, March 1985 | writer |
| Kitty Pryde and Wolverine 6 | Marvel, April 1985 | writer |
| Lightrunner | Donning/Starblaze, 1983 | writer of text introduction |
| Magazine of Fantasy and Science Fiction vol. 44 no. 4 (whole number 263) | April 1973 | writer of prose story |
| Magik 1 | Marvel, December 1983 | writer |
| Magik 2 | Marvel, January 1984 | writer |
| Magik 3 | Marvel, February 1984 | writer |
| Magik 4 | Marvel, March 1984 | writer |
| Man-Thing (vol. 2) 4 | Marvel, May 1980 | writer |
| Man-Thing (vol. 2) 5 | Marvel, July 1980 | writer |
| Man-Thing (vol. 2) 6 | Marvel, September 1980 | writer |
| Man-Thing (vol. 2) 7 | Marvel, November 1980 | writer |
| Man-Thing (vol. 2) 8 | Marvel, January 1981 | writer |
| Man-Thing (vol. 2) 10 | Marvel, May 1981 | writer |
| Man-Thing (vol. 2) 11 | Marvel, July 1981 | writer |
| Marada the She-Wolf | Marvel, 1985 | writer of reprinted stories; writer of new afterword |
| Marvel Age Annual 3 | Marvel, 1987 | writer of one-page preview story |
| Marvel Age Annual 4 | Marvel, 1988 | writer of five-page preview story |
| Marvel and DC Present featuring the Uncanny X-Men and the New Teen Titans 1 | Marvel and DC, 1982 | writer |
| Marvel Chillers 4 | Marvel, April 1976 | writer |
| Marvel Classics Comics 14 | Marvel, 1976 | writer of adaptation of The War of the Worlds by H. G. Wells |
| Marvel Classics Comics 17 | Marvel, 1977 | writer of adaptation of The Count of Monte Cristo by Alexandre Dumas |
| Marvel Comics Presents 1 | Marvel, Early September 1988 | writer of one story |
| Marvel Comics Presents 2 | Marvel, Mid September 1988 | writer of one story |
| Marvel Comics Presents 3 | Marvel, Late September 1988 | writer of one story |
| Marvel Comics Presents 4 | Marvel, Early October 1988 | writer of one story |
| Marvel Comics Presents 5 | Marvel, Late October 1988 | writer of one story |
| Marvel Comics Presents 6 | Marvel, Early November 1988 | writer of one story |
| Marvel Comics Presents 7 | Marvel, Late November 1988 | writer of one story |
| Marvel Comics Presents 8 | Marvel, Early December 1988 | writer of one story |
| Marvel Comics Presents 9 | Marvel, Late December 1988 | writer of one story |
| Marvel Comics Presents 10 | Marvel, Early January 1989 | writer of one story |
| Marvel Fanfare 1 | Marvel, March 1982 | writer |
| Marvel Fanfare 2 | Marvel, May 1982 | writer |
| Marvel Fanfare 3 | Marvel, July 1982 | writer |
| Marvel Fanfare 4 | Marvel, September 1982 | writer |
| Marvel Fanfare 5 | Marvel, November 1982 | writer |
| Marvel Fanfare 24 | Marvel, January 1986 | writer of one story |
| Marvel Fanfare 33 | Marvel, July 1987 | writer |
| Marvel Fanfare 40 | Marvel, October 1988 | writer of one story |
| Marvel Graphic Novel 4 | Marvel, 1982 | writer |
| Marvel Graphic Novel 5 | Marvel, 1982 | writer |
| Marvel Premiere 23 | Marvel, August 1975 | writer |
| Marvel Premiere 24 | Marvel, September 1975 | writer |
| Marvel Premiere 25 | Marvel, October 1975 | writer |
| Marvel Premiere 27 | Marvel, December 1975 | writer |
| Marvel Preview 3 | Marvel/Curtis, September 1975 | writer |
| Marvel Preview 7 | Marvel, Summer 1976 | writer of one story; writer of 4-page article on Satana |
| Marvel Preview 11 | Marvel, Summer 1977 | writer of story; writer of text afterword |
| Marvel Preview 14 | Marvel, Spring 1978 | writer |
| Marvel Preview 15 | Marvel, Summer 1978 | writer |
| Marvel Spotlight 24 | Marvel, October 1975 | writer |
| MARVEL SUPER-HEROES (VOL. 2) #10 | Marvel, July 1992 | writer of one story |
| MARVEL SUPER-HEROES (VOL. 2) #11 | Marvel, October 1992 | co-writer of one story |
| Marvel Team-Up 57 | Marvel, May 1977 | writer |
| Marvel Team-Up 58 | Marvel, June 1977 | writer |
| Marvel Team-Up 59 | Marvel, July 1977 | writer |
| Marvel Team-Up 60 | Marvel, August 1977 | writer |
| Marvel Team-Up 61 | Marvel, September 1977 | writer |
| Marvel Team-Up 62 | Marvel, October 1977 | writer |
| Marvel Team-Up 63 | Marvel, November 1977 | writer |
| Marvel Team-Up 64 | Marvel, December 1977 | writer |
| Marvel Team-Up 65 | Marvel, January 1978 | writer |
| Marvel Team-Up 66 | Marvel, February 1978 | writer |
| Marvel Team-Up 67 | Marvel, March 1978 | writer |
| Marvel Team-Up 68 | Marvel, April 1978 | writer |
| Marvel Team-Up 69 | Marvel, May 1978 | writer |
| Marvel Team-Up 70 | Marvel, June 1978 | writer |
| Marvel Team-Up 74 | Marvel, October 1978 | writer |
| Marvel Team-Up 75 | Marvel, November 1978 | plot |
| Marvel Team-Up 76 | Marvel, December 1978 | writer |
| Marvel Team-Up 77 | Marvel, January 1979 | writer |
| Marvel Team-Up 79 | Marvel, March 1979 | co-plot; script |
| Marvel Team-Up 80 | Marvel, April 1979 | writer |
| Marvel Team-Up 81 | Marvel, May 1979 | writer |
| Marvel Team-Up 82 | Marvel, June 1979 | writer |
| Marvel Team-Up 83 | Marvel, July 1979 | writer |
| Marvel Team-Up 84 | Marvel, August 1979 | writer |
| Marvel Team-Up 85 | Marvel, September 1979 | writer |
| Marvel Team-Up 86 | Marvel, October 1979 | script |
| Marvel Team-Up 88 | Marvel, December 1979 | writer |
| Marvel Team-Up 89 | Marvel, January 1980 | writer |
| Marvel Team-Up 100 | Marvel, December 1980 | writer of one story; co-plotter and scripter of another story |
| Marvel Team-Up 135 | Marvel, November 1983 | plot suggestion |
| Marvel Team-Up Annual 1 | Marvel, 1976 | co-plotter |
| Marvel Team-Up Annual 2 | Marvel, 1979 | writer |
| Marvel Two-In-One 9 | Marvel, May 1975 | script |
| Marvel Two-In-One 10 | Marvel, July 1975 | writer |
| MEKANIX #1 | Marvel, December 2002 | writer |
| MEKANIX #2 | Marvel, January 2003 | writer |
| MEKANIX #3 | Marvel, February 2003 | writer |
| MEKANIX #4 | Marvel, March 2003 | writer |
| MEKANIX #5 | Marvel, April 2003 | writer |
| MEKANIX #6 | Marvel, May 2003 | writer |
| Monsters of the Movies 2 | Marvel/Curtis, August 1974 | member of editorial staff |
| Monsters Unleashed! 4 | Marvel/Curtis, February 1974 | writer of 4-page prose story; writer of 8-page story with art |
| Monsters Unleashed! 6 | Marvel/Curtis, June 1974 | member of editorial staff |
| Monsters Unleashed! 7 | Marvel/Curtis, August 1974 | member of editorial staff |
| Monsters Unleashed! 8 | Marvel/Curtis, October 1974 | member of editorial staff |
| Monsters Unleashed! 9 | Marvel/Curtis, December 1974 | writer of one story; member of editorial staff |
| Monsters Unleashed! 10 | Marvel/Curtis, February 1975 | scripter of story starring Tigra |
| Ms. Marvel 3 | Marvel, March 1977 | script |
| Ms. Marvel 4 | Marvel, April 1977 | writer |
| Ms. Marvel 5 | Marvel, May 1977 | script |
| Ms. Marvel 6 | Marvel, June 1977 | writer |
| Ms. Marvel 7 | Marvel, July 1977 | writer |
| Ms. Marvel 8 | Marvel, August 1977 | writer |
| Ms. Marvel 9 | Marvel, September 1977 | writer |
| Ms. Marvel 10 | Marvel, October 1977 | writer |
| Ms. Marvel 11 | Marvel, November 1977 | writer |
| Ms. Marvel 12 | Marvel, December 1977 | writer |
| Ms. Marvel 13 | Marvel, January 1978 | writer |
| Ms. Marvel 14 | Marvel, February 1978 | writer |
| Ms. Marvel 15 | Marvel, March 1978 | writer |
| Ms. Marvel 16 | Marvel, April 1978 | writer |
| Ms. Marvel 17 | Marvel, May 1978 | writer |
| Ms. Marvel 18 | Marvel, June 1978 | writer |
| Ms. Marvel 19 | Marvel, August 1978 | writer |
| Ms. Marvel 20 | Marvel, October 1978 | writer |
| Ms. Marvel 21 | Marvel, December 1978 | writer |
| Ms. Marvel 22 | Marvel, February 1979 | writer |
| Ms. Marvel 23 | Marvel, April 1979 | writer |
| New Mutants 1 | Marvel, March 1983 | writer |
| New Mutants 2 | Marvel, April 1983 | writer |
| New Mutants 3 | Marvel, May 1983 | writer |
| New Mutants 4 | Marvel, June 1983 | writer |
| New Mutants 5 | Marvel, July 1983 | writer |
| New Mutants 6 | Marvel, August 1983 | writer |
| New Mutants 7 | Marvel, September 1983 | writer |
| New Mutants 8 | Marvel, October 1983 | writer |
| New Mutants 9 | Marvel, November 1983 | writer |
| New Mutants 10 | Marvel, December 1983 | writer |
| New Mutants 11 | Marvel, January 1984 | writer |
| New Mutants 12 | Marvel, February 1984 | writer |
| New Mutants 13 | Marvel, March 1984 | writer |
| New Mutants 14 | Marvel, April 1984 | writer |
| New Mutants 15 | Marvel, May 1984 | writer |
| New Mutants 16 | Marvel, June 1984 | writer |
| New Mutants 17 | Marvel, July 1984 | writer |
| New Mutants 18 | Marvel, August 1984 | writer |
| New Mutants 19 | Marvel, September 1984 | writer |
| New Mutants 20 | Marvel, October 1984 | writer |
| New Mutants 21 | Marvel, November 1984 | writer of story; writer of text on three pin-ups |
| New Mutants 22 | Marvel, December 1984 | writer of story; writer of text on three pin-ups |
| New Mutants 23 | Marvel January 1985 | writer of story; writer of text on one pin-up |
| New Mutants 24 | Marvel, February 1985 | writer |
| New Mutants 25 | Marvel, March 1985 | writer of story; writer of text on two pin-ups |
| New Mutants 26 | Marvel, April 1985 | writer |
| New Mutants 27 | Marvel, May 1985 | writer |
| New Mutants 28 | Marvel, June 1985 | writer |
| New Mutants 29 | Marvel, July 1985 | writer |
| New Mutants 30 | Marvel, August 1985 | writer |
| New Mutants 31 | Marvel, September 1985 | writer of story; writer of text on two pin-ups |
| New Mutants 32 | Marvel, October 1985 | writer |
| New Mutants 33 | Marvel, November 1985 | writer |
| New Mutants 34 | Marvel, December 1985 | writer |
| New Mutants 35 | Marvel, January 1986 | writer |
| New Mutants 36 | Marvel, February 1986 | writer |
| New Mutants 37 | Marvel, March 1986 | writer |
| New Mutants 38 | Marvel, April 1986 | writer |
| New Mutants 39 | Marvel, May 1986 | writer |
| New Mutants 40 | Marvel, June 1986 | writer |
| New Mutants 41 | Marvel, July 1986 | writer |
| New Mutants 42 | Marvel, August 1986 | writer |
| New Mutants 43 | Marvel, September 1986 | writer |
| New Mutants 44 | Marvel, October 1986 | writer |
| New Mutants 45 | Marvel, November 1986 | writer |
| New Mutants 46 | Marvel, December 1986 | writer |
| New Mutants 47 | Marvel, January 1987 | writer |
| New Mutants 48 | Marvel, February 1987 | writer |
| New Mutants 49 | Marvel, March 1987 | writer |
| New Mutants 50 | Marvel, April 1987 | writer |
| New Mutants 51 | Marvel, May 1987 | writer |
| New Mutants 52 | Marvel, June 1987 | writer |
| New Mutants 53 | Marvel, July 1987 | writer |
| New Mutants 54 | Marvel, August 1987 | writer |
| New Mutants 63 | Marvel, May 1988 | plot |
| New Mutants 81 | Marvel, November 1989 | writer |
| New Mutants Annual 1 | Marvel, 1984 | writer |
| New Mutants Annual 2 | Marvel, 1986 | writer |
| New Mutants Annual 3 | Marvel, 1987 | writer |
| New Mutants Special Edition 1 | Marvel, 1985 | writer |
| The Original Nexus | First Comics, November 1985 | writer of text introduction only |
| PETER PARKER: SPIDER-MAN 2000 | Marvel, 2000 | plot |
| Phoenix: The Untold Story 1 | Marvel, April 1984 | co-plot; script; participant in conversation |
| Planet of the Apes 1 | Marvel/Curtis, August 1974 | member of editorial staff |
| Planet of the Apes 2 | Marvel/Curtis, October 1974 | member of editorial staff |
| Planet of the Apes 3 | Marvel/Curtis, December 1974 | writer of text article; member of editorial staff |
| Planet of the Apes 5 | Marvel/Curtis, February 1975 | consulting editor |
| Planet of the Apes 6 | Marvel/Curtis, March 1975 | conductor of interview with Mark Lenard; consulting editor |
| Power Man 47 | Marvel, October 1977 | writer |
| Power Man 48 | Marvel, December 1977 | writer |
| Power Man 49 | Marvel, February 1978 | writer |
| Power Man and Iron Fist 50 | Marvel, April 1978 | writer |
| Power Man and Iron Fist 51 | Marvel, June 1978 | writer |
| Power Man and Iron Fist 52 | Marvel, August 1978 | plot |
| Power Man and Iron Fist 53 | Marvel, October 1978 | plot |
| Power Man and Iron Fist 76 | Marvel, December 1981 | co-plot |
| Power Man Annual 1 | Marvel, 1976 | writer |
| PRUDENCE AND CAUTION #1 | Defiant, May 1994 | writer |
| PRUDENCE AND CAUTION #2 | Defiant, June 1994 | writer |
| Rom 17 | Marvel, April 1981 | consultant |
| Rom 18 | Marvel, May 1981 | inspiration and assistance |
| Savage Sword of Conan 3 | Marvel/Curtis, December 1974 | member of editorial staff |
| Savage Sword of Conan 74 | Marvel, March 1982 | writer |
| Savage Tales 5 | Marvel/Curtis, July 1974 | contributing editor |
| Savage Tales 6 | Marvel/Curtis, September 1974 | member of editorial staff |
| Savage Tales 7 | Marvel/Curtis, November 1974 | member of editorial staff |
| SHADOW DAWN | Bantam, January 1997 | co-writer with George Lucas |
| SHADOW MOON | Bantam, September 1995 | co-writer with George Lucas |
| SHADOW STAR | Bantam, November 1999 | co-writer with George Lucas |
| SHI: THE WAY OF THE WARRIOR TRADE PAPERBACK | Crusade, 1995 | writer of text forward |
| SHOWCASE '95 #12 | DC, December 1995 | writer of one story, starring Maitresse |
| SHOWCASE '96 #7 | DC, August 1996 | writer of one story, starring Cruiser |
| Solo Avengers 14 | Marvel, January 1989 | writer of one story, starring She-Hulk |
| SOVEREIGN SEVEN #1 | DC, July 1995 | writer |
| SOVEREIGN SEVEN #2 | DC, August 1995 | writer |
| SOVEREIGNSEVEN #3 | DC, September 1995 | writer |
| SOVEREIGN SEVEN #4 | DC, October 1995 | writer |
| SOVEREIGN SEVEN #5 | DC, November 1995 | writer |
| SOVEREIGN SEVEN #6 | DC, December 1995 | writer |
| SOVEREIGN SEVEN #7 | DC, January 1996 | writer |
| SOVEREIGN SEVEN #8 | DC, February 1996 | writer |
| SOVEREIGN SEVEN #9 | DC, March 1996 | writer |
| SOVEREIGN SEVEN #10 | DC, April 1996 | writer |
| SOVEREIGN SEVEN #11 | DC, June 1996 | writer |
| SOVEREIGN SEVEN #12 | DC, July 1996 | writer |
| SOVEREIGN SEVEN #13 | DC, August 1996 | writer |
| SOVEREIGN SEVEN #14 | DC, September 1996 | writer |
| SOVEREIGN SEVEN #15 | DC, October 1996 | writer |
| SOVEREIGN SEVEN #16 | DC, November 1996 | writer |
| SOVEREIGN SEVEN #17 | DC, December 1996 | writer |
| SOVEREIGN SEVEN #18 | DC, January 1997 | writer |
| SOVEREIGN SEVEN #19 | DC, February 1997 | writer of two stories |
| SOVEREIGN SEVEN #20 | DC, March 1997 | writer of two stories |
| SOVEREIGN SEVEN #21 | DC, April 1997 | writer of two stories |
| SOVEREIGN SEVEN #22 | DC, May 1997 | writer of two stories |
| SOVEREIGN SEVEN #23 | DC, June 1997 | writer of two stories |
| SOVEREIGN SEVEN #24 | DC, July 1997 | writer |
| SOVEREIGN SEVEN #25 | DC, August 1997 | writer |
| SOVEREIGN SEVEN #26 | DC, September 1997 | writer |
| SOVEREIGN SEVEN #27 | DC, October 1997 | writer |
| SOVEREIGN SEVEN #28 | DC, November 1997 | writer |
| SOVEREIGN SEVEN #29 | DC, December 1997 | writer |
| SOVEREIGN SEVEN #30 | DC, January 1998 | writer |
| SOVEREIGNSEVEN #31 | DC, February 1998 | writer |
| SOVEREIGN SEVEN #32 | DC, March 1998 | writer |
| SOVEREIGN SEVEN #33 | DC, April 1998 | writer |
| SOVEREIGN SEVEN #34 | DC, May 1998 | writer |
| SOVEREIGN SEVEN #35 | DC, June 1998 | writer |
| SOVEREIGN SEVEN #36 | DC, July 1998 | writer |
| SOVEREIGN SEVEN ANNUAL #1 | DC, 1995 | writer |
| SOVEREIGN SEVEN ANNUAL #2 | DC, 1996 | writer |
| SOVEREIGN SEVEN PLUS #1 | DC, 1997 | writer |
| Special Edition X-Men 1 | Marvel, February 1983 | writer |
| Spectacular Spider-Man 11 | Marvel, October 1977 | writer |
| Spider-Woman 34 | Marvel, January 1981 | co-plot; script |
| Spider-Woman 35 | Marvel, February 1981 | writer |
| Spider-Woman 36 | Marvel, March 1981 | writer |
| Spider-Woman 37 | Marvel, April 1981 | writer |
| Spider-Woman 38 | Marvel, June 1981 | writer |
| Spider-Woman 39 | Marvel, August 1981 | writer |
| Spider-Woman 40 | Marvel, October 1981 | writer |
| Spider-Woman 41 | Marvel, December 1981 | writer |
| Spider-Woman 42 | Marvel, February 1982 | writer |
| Spider-Woman 43 | Marvel, April 1982 | writer |
| Spider-Woman 44 | Marvel, June 1982 | writer |
| Spider-Woman 45 | Marvel, August 1982 | writer |
| Spider-Woman 46 | Marvel, October 1982 | writer |
| STAR TREK #24 | DC, October 1991 | writer of one-page essay |
| STAR TREK: DEBT OF HONOR | DC, 1992 | writer |
| STAR TREK: THE NEXT GENERATION SPECIAL #2 | DC, 1994 | writer of one story |
| Star Wars 17 | Marvel, November 1978 | plot |
| Star Wars 53 | Marvel, November 1981 | writer |
| Star Wars 54 | Marvel, December 1981 | writer |
| Star Wars Annual 1 | Marvel, 1979 | writer |
| Star Wars Weekly 107 | Marvel UK, 12 March 1980 | writer of first story |
| Star Wars Weekly 108 | Marvel UK, 19 March 1980 | writer of first story |
| Star Wars Weekly 109 | Marvel UK, 26 March 1980 | writer of first story |
| Star Wars Weekly 110 | Marvel UK, 2 April 1980 | writer of first story |
| Star Wars Weekly 111 | Marvel UK, 9 April 1980 | writer of first story |
| Star Wars Weekly 112 | Marvel UK, 16 April 1980 | writer of first story |
| Star Wars Weekly 113 | Marvel UK, 23 April 1980 | writer of first story |
| Star Wars Weekly 114 | Marvel UK, 30 April 1980 | writer of first story |
| Star Wars Weekly 115 | Marvel UK, 7 May 1980 | writer of first story |
| Star-Lord: The Special Edition 1 | Marvel, February 1982 | writer |
| SUNDOWNER | Ace, July 1994 | writer |
| SUPERMAN/WONDER WOMAN: WHOM GODS DESTROY #1 | DC, 1997 | writer |
| SUPERMAN/WONDER WOMAN: WHOM GODS DESTROY #2 | DC, 1997 | writer |
| SUPERMAN/WONDER WOMAN: WHOM GODS DESTROY #3 | DC, 1997 | writer |
| SUPERMAN/WONDER WOMAN: WHOM GODS DESTROY #4 | DC, 1997 | writer |
| Tales of the Zombie 2 | Marvel/Curtis, October 1973 | writer of text article |
| Tales of the Zombie 3 | Marvel/Curtis, January 1974 | writer of short prose story |
| Tales of the Zombie 4 | Marvel/Curtis, March 1974 | incorrectly credited as a writer? |
| Tales of the Zombie 5 | Marvel/Curtis, May 1974 | writer of short prose story |
| Tales of the Zombie 6 | Marvel/Curtis, July 1974 | writer of text article; member of editorial staff |
| Tales of the Zombie 7 | Marvel/Curtis, September 1974 | writer of book review; member of editorial staff |
| Tales of the Zombie 8 | Marvel/Curtis, November 1974 | writer of text article; member of editorial staff |
| Tales of the Zombie 9 | Marvel/Curtis, January 1975 | writer of one chapter in a multi-chapter story, with art; member of editorial staff |
| Thor Annual 9 | Marvel, 1981 | writer; co-editor |
| TV GUIDE #2468 | July 15, 2000 | writer of 4-page comic insert |
| ULTIMATE X-MEN | Dorling Kindersley, 2000 | writer of afterword |
| (Uncanny) X-Men 94 | Marvel, August 1975 | script |
| (Uncanny) X-Men 95 | Marvel, October 1975 | script |
| (Uncanny) X-Men 96 | Marvel, December 1975 | writer |
| (Uncanny) X-Men 97 | Marvel, February 1976 | writer |
| (Uncanny) X-Men 98 | Marvel, April 1976 | writer |
| (Uncanny) X-Men 99 | Marvel, June 1976 | writer |
| (Uncanny) X-Men 100 | Marvel, August 1976 | writer |
| (Uncanny) X-Men 101 | Marvel, October 1976 | writer |
| (Uncanny) X-Men 102 | Marvel, December 1976 | writer |
| (Uncanny) X-Men 103 | Marvel, February 1977 | writer |
| (Uncanny) X-Men 104 | Marvel, April 1977 | writer |
| (Uncanny) X-Men 105 | Marvel, June 1977 | writer |
| (Uncanny) X-Men 106 | Marvel, August 1977 | co-writer |
| (Uncanny) X-Men 107 | Marvel, October 1977 | writer |
| (Uncanny) X-Men 108 | Marvel, December 1977 | writer |
| (Uncanny) X-Men 109 | Marvel, February 1978 | writer |
| (Uncanny) X-Men 110 | Marvel, April 1978 | writer |
| (Uncanny) X-Men 111 | Marvel, June 1978 | writer |
| (Uncanny) X-Men 112 | Marvel, August 1978 | writer |
| (Uncanny) X-Men 113 | Marvel, September 1978 | co-plot; script |
| (Uncanny) X-Men 114 | Marvel, October 1978 | co-plot; script |
| (Uncanny) X-Men 115 | Marvel, November 1978 | co-plot; script |
| (Uncanny) X-Men 116 | Marvel, December 1978 | co-plot; script |
| (Uncanny) X-Men 117 | Marvel, January 1979 | co-plot; script |
| (Uncanny) X-Men 118 | Marvel, February 1979 | co-plot; script |
| (Uncanny) X-Men 119 | Marvel, March 1979 | co-plot; script |
| (Uncanny) X-Men 120 | Marvel, April 1979 | co-plot; script |
| (Uncanny) X-Men 121 | Marvel, May 1979 | co-plot; script |
| (Uncanny) X-Men 122 | Marvel, June 1979 | co-plot; script |
| (Uncanny) X-Men 123 | Marvel, July 1979 | co-plot; script |
| (Uncanny) X-Men 124 | Marvel, August 1979 | co-plot; script |
| (Uncanny) X-Men 125 | Marvel, September 1979 | writer |
| (Uncanny) X-Men 126 | Marvel, October 1979 | writer |
| (Uncanny) X-Men 127 | Marvel, November 1979 | co-plot; script |
| (Uncanny) X-Men 128 | Marvel, December 1979 | co-plot; script |
| (Uncanny) X-Men 129 | Marvel, January 1980 | co-plot; script |
| (Uncanny) X-Men 130 | Marvel, February 1980 | co-plot; script |
| (Uncanny) X-Men 131 | Marvel, March 1980 | co-plot; script |
| (Uncanny) X-Men 132 | Marvel, April 1980 | co-plot; script |
| (Uncanny) X-Men 133 | Marvel, May 1980 | co-plot; script |
| (Uncanny) X-Men 134 | Marvel, June 1980 | co-plot; script |
| (Uncanny) X-Men 135 | Marvel, July 1980 | co-plot; script |
| (Uncanny) X-Men 136 | Marvel, August 1980 | co-plot; script |
| (Uncanny) X-Men 137 | Marvel, September 1980 | co-plot; script |
| (Uncanny) X-Men 138 | Marvel, October 1980 | co-plot; script |
| (Uncanny) X-Men 139 | Marvel, November 1980 | script |
| (Uncanny) X-Men 140 | Marvel, December 1980 | script |
| (Uncanny) X-Men 141 | Marvel, January 1981 | co-plot; script |
| Uncanny X-Men 142 | Marvel, February 1981 | co-plot; script |
| Uncanny X-Men 143 | Marvel, March 1981 | co-plot; script |
| Uncanny X-Men 144 | Marvel, April 1981 | writer |
| Uncanny X-Men 145 | Marvel, May 1981 | writer |
| Uncanny X-Men 146 | Marvel, June 1981 | writer |
| Uncanny X-Men 147 | Marvel, July 1981 | writer |
| Uncanny X-Men 148 | Marvel, August 1981 | writer |
| Uncanny X-Men 149 | Marvel, September 1981 | writer |
| Uncanny X-Men 150 | Marvel, October 1981 | writer |
| Uncanny X-Men 151 | Marvel, November 1981 | writer |
| Uncanny X-Men 152 | Marvel, December 1981 | writer |
| Uncanny X-Men 153 | Marvel, January 1982 | writer |
| Uncanny X-Men 154 | Marvel, February 1982 | writer |
| Uncanny X-Men 155 | Marvel, March 1982 | writer |
| Uncanny X-Men 156 | Marvel, April 1982 | writer |
| Uncanny X-Men 157 | Marvel, May 1982 | writer |
| Uncanny X-Men 158 | Marvel, June 1982 | writer |
| Uncanny X-Men 159 | Marvel, July 1982 | writer |
| Uncanny X-Men 160 | Marvel, August 1982 | writer |
| Uncanny X-Men 161 | Marvel, September 1982 | writer |
| Uncanny X-Men 162 | Marvel, October 1982 | writer |
| Uncanny X-Men 163 | Marvel, November 1982 | writer |
| Uncanny X-Men 164 | Marvel, December 1982 | writer |
| Uncanny X-Men 165 | Marvel, January 1983 | writer |
| Uncanny X-Men 166 | Marvel, February 1983 | writer |
| Uncanny X-Men 167 | Marvel, March 1983 | writer |
| Uncanny X-Men 168 | Marvel, April 1983 | writer |
| Uncanny X-Men 169 | Marvel, May 1983 | writer |
| Uncanny X-Men 170 | Marvel, June 1983 | writer |
| Uncanny X-Men 171 | Marvel, July 1983 | writer |
| Uncanny X-Men 172 | Marvel, August 1983 | writer |
| Uncanny X-Men 173 | Marvel, September 1983 | writer |
| Uncanny X-Men 174 | Marvel, October 1983 | writer |
| Uncanny X-Men 175 | Marvel, November 1983 | writer |
| Uncanny X-Men 176 | Marvel, December 1983 | writer |
| Uncanny X-Men 177 | Marvel, January 1984 | writer |
| Uncanny X-Men 178 | Marvel, February 1984 | writer |
| Uncanny X-Men 179 | Marvel, March 1984 | writer |
| Uncanny X-Men 180 | Marvel, April 1984 | writer |
| Uncanny X-Men 181 | Marvel, May 1984 | writer |
| Uncanny X-Men 182 | Marvel, June 1984 | writer |
| Uncanny X-Men 183 | Marvel, July 1984 | writer |
| Uncanny X-Men 184 | Marvel, August 1984 | writer |
| Uncanny X-Men 185 | Marvel, September 1984 | writer |
| Uncanny X-Men 186 | Marvel, October 1984 | co-plot; script |
| Uncanny X-Men 187 | Marvel, November 1984 | writer |
| Uncanny X-Men 188 | Marvel, December 1984 | writer |
| Uncanny X-Men 189 | Marvel, January 1985 | writer |
| Uncanny X-Men 190 | Marvel, February 1985 | writer |
| Uncanny X-Men 191 | Marvel, March 1985 | writer |
| Uncanny X-Men 192 | Marvel, April 1985 | writer |
| Uncanny X-Men 193 | Marvel, May 1985 | writer |
| Uncanny X-Men 194 | Marvel, June 1985 | writer |
| Uncanny X-Men 195 | Marvel, July 1985 | writer |
| Uncanny X-Men 196 | Marvel, August 1985 | writer |
| Uncanny X-Men 197 | Marvel, September 1985 | writer |
| Uncanny X-Men 198 | Marvel, October 1985 | co-writer |
| Uncanny X-Men 199 | Marvel, November 1985 | writer |
| Uncanny X-Men 200 | Marvel, December 1985 | writer |
| Uncanny X-Men 201 | Marvel, January 1986 | writer |
| Uncanny X-Men 202 | Marvel, February 1986 | writer |
| Uncanny X-Men 203 | Marvel, March 1986 | writer |
| Uncanny X-Men 204 | Marvel, April 1986 | writer |
| Uncanny X-Men 205 | Marvel, May 1986 | writer |
| Uncanny X-Men 206 | Marvel, June 1986 | writer |
| Uncanny X-Men 207 | Marvel, July 1986 | writer |
| Uncanny X-Men 208 | Marvel, August 1986 | writer |
| Uncanny X-Men 209 | Marvel, September 1986 | writer |
| Uncanny X-Men 210 | Marvel, October 1986 | writer |
| Uncanny X-Men 211 | Marvel, November 1986 | writer |
| Uncanny X-Men 212 | Marvel, December 1986 | writer |
| Uncanny X-Men 213 | Marvel, January 1987 | writer |
| Uncanny X-Men 214 | Marvel, February 1987 | writer |
| Uncanny X-Men 215 | Marvel, March 1987 | writer |
| Uncanny X-Men 216 | Marvel, April 1987 | writer |
| Uncanny X-Men 217 | Marvel, May 1987 | writer |
| Uncanny X-Men 218 | Marvel, June 1987 | writer |
| Uncanny X-Men 219 | Marvel, July 1987 | writer |
| Uncanny X-Men 220 | Marvel, August 1987 | writer |
| Uncanny X-Men 221 | Marvel, September 1987 | writer |
| Uncanny X-Men 222 | Marvel, October 1987 | writer |
| Uncanny X-Men 223 | Marvel, November 1987 | writer |
| Uncanny X-Men 224 | Marvel, December 1987 | writer |
| Uncanny X-Men 225 | Marvel, January 1988 | writer |
| Uncanny X-Men 226 | Marvel, February 1988 | writer |
| Uncanny X-Men 227 | Marvel, March 1988 | writer |
| Uncanny X-Men 228 | Marvel, April 1988 | writer |
| Uncanny X-Men 229 | Marvel, May 1988 | writer |
| Uncanny X-Men 230 | Marvel, June 1988 | writer |
| Uncanny X-Men 231 | Marvel, July 1988 | writer |
| Uncanny X-Men 232 | Marvel, August 1988 | writer |
| Uncanny X-Men 233 | Marvel, Early September 1988 | writer |
| Uncanny X-Men 234 | Marvel, Late September 1988 | writer |
| Uncanny X-Men 235 | Marvel, Early October 1988 | writer |
| Uncanny X-Men 236 | Marvel, Late October 1988 | writer |
| Uncanny X-Men 237 | Marvel, Early November 1988 | writer |
| Uncanny X-Men 238 | Marvel, Late November 1988 | writer |
| Uncanny X-Men 239 | Marvel, December 1988 | writer |
| Uncanny X-Men 240 | Marvel, January 1989 | writer |
| Uncanny X-Men 241 | Marvel, February 1989 | writer |
| Uncanny X-Men 242 | Marvel, March 1989 | writer |
| Uncanny X-Men 243 | Marvel, April 1989 | writer |
| Uncanny X-Men 244 | Marvel, May 1989 | writer |
| Uncanny X-Men 245 | Marvel, June 1989 | writer |
| Uncanny X-Men 246 | Marvel, July 1989 | writer |
| Uncanny X-Men 247 | Marvel, August 1989 | writer |
| Uncanny X-Men 248 | Marvel, September 1989 | writer |
| Uncanny X-Men 249 | Marvel, Early October 1989 | writer |
| Uncanny X-Men 250 | Marvel, Late October 1989 | writer |
| Uncanny X-Men 251 | Marvel, Early November 1989 | writer |
| Uncanny X-Men 252 | Marvel, Mid November 1989 | writer |
| Uncanny X-Men 253 | Marvel, Late November 1989 | writer |
| Uncanny X-Men 254 | Marvel, Early December 1989 | writer |
| Uncanny X-Men 255 | Marvel, Mid December 1989 | writer |
| Uncanny X-Men 256 | Marvel, Late December 1989 | writer |
| Uncanny X-Men 257 | Marvel, January 1990 | writer |
| Uncanny X-Men 258 | Marvel, February 1990 | writer |
| Uncanny X-Men 259 | Marvel, March 1990 | writer |
| UNCANNY X-MEN #260 | Marvel, April 1990 | writer |
| UNCANNY X-MEN #261 | Marvel, May 1990 | writer |
| UNCANNY X-MEN #262 | Marvel, June 1990 | writer |
| UNCANNY X-MEN #263 | Marvel, Early July 1990 | writer |
| UNCANNY X-MEN #264 | Marvel, Late July 1990 | writer |
| UNCANNY X-MEN #265 | Marvel, Early August 1990 | writer |
| UNCANNY X-MEN #266 | Marvel, Late August 1990 | writer |
| UNCANNY X-MEN #267 | Marvel, Early September 1990 | writer |
| UNCANNY X-MEN #268 | Marvel, Late September 1990 | writer |
| UNCANNY X-MEN #269 | Marvel, October 1990 | writer |
| UNCANNY X-MEN #270 | Marvel, November 1990 | writer |
| UNCANNY X-MEN #271 | Marvel, December 1990 | writer |
| UNCANNY X-MEN #272 | Marvel, January 1991 | writer |
| UNCANNY X-MEN #273 | Marvel, February 1991 | writer |
| UNCANNY X-MEN #274 | Marvel, March 1991 | script |
| UNCANNY X-MEN #275 | Marvel, April 1991 | writer |
| UNCANNY X-MEN #276 | Marvel, May 1991 | writer |
| UNCANNY X-MEN #277 | Marvel, June 1991 | writer |
| UNCANNY X-MEN #278 | Marvel, July 1991 | writer |
| UNCANNY X-MEN #279 | Marvel, August 1991 | writer, pp. 1-12 |
| UNCANNY X-MEN #379 | Marvel, April 2000 | script, uncredited |
| UNCANNY X-MEN #381 | Marvel, June 2000 | writer |
| UNCANNY X-MEN #382 | Marvel, July 2000 | writer |
| UNCANNY X-MEN #383 | Marvel, August 2000 | writer |
| UNCANNY X-MEN #384 | Marvel, September 2000 | writer |
| UNCANNY X-MEN #385 | Marvel, October 2000 | writer |
| UNCANNY X-MEN #386 | Marvel, November 2000 | writer |
| UNCANNY X-MEN #387 | Marvel, December 2000 | writer |
| UNCANNY X-MEN #388 | Marvel, January 2001 | writer |
| UNCANNY X-MEN #389 | Marvel, February 2001 | writer |
| (Uncanny) X-Men Annual 3 | Marvel, 1979 | writer |
| (Uncanny) X-Men Annual 4 | Marvel, 1980 | writer |
| (Uncanny) X-Men Annual 5 | Marvel, 1981 | writer |
| (Uncanny) X-Men Annual 6 | Marvel, 1982 | writer |
| (Uncanny) X-Men Annual 7 | Marvel, 1983 | writer |
| (Uncanny) X-Men Annual 8 | Marvel, 1984 | writer |
| (Uncanny) X-Men Annual 9 | Marvel, 1985 | writer |
| (Uncanny) X-Men Annual 10 | Marvel, 1986 | writer |
| (Uncanny) X-Men Annual 11 | Marvel, 1987 | writer |
| (Uncanny) X-Men Annual 12 | Marvel, 1988 | writer of two stories |
| (UNCANNY) X-MEN ANNUAL #14 | Marvel, 1990 | writer of two stories |
| Unknown Worlds of Science Fiction 1 | Marvel/Curtis, January 1975 | member of editorial staff |
| Unknown Worlds of Science Fiction 2 | Marvel/Curtis, March 1975 | member of editorial staff |
| Unknown Worlds of Science Fiction 3 | Marvel/Curtis, May 1975 | "staff and such" |
| Vampire Tales 1 | Marvel/Curtis, 1973 | writer of book review, part 1 |
| Vampire Tales 2 | Marvel/Curtis, October 1973 | writer of book review, part 2 |
| Vampire Tales 3 | Marvel/Curtis, February 1974 | writer of book review, part 3 |
| Vampire Tales 4 | Marvel/Curtis, April 1974 | writer of book review, part 4 |
| Vampire Tales 5 | Marvel/Curtis, June 1974 | member of editorial staff |
| Vampire Tales 6 | Marvel/Curtis, August 1974 | writer of book review, part 5; writer of one story, with art; member of editorial staff |
| Vampire Tales 7 | Marvel/Curtis, October 1974 | member of editorial staff |
| Vampire Tales 8 | Marvel/Curtis, December 1974 | member of editorial staff |
| Vampire Tales 9 | Marvel/Curtis, February 1975 | script of one story |
| War Is Hell 9 | Marvel, October 1974 | script |
| War Is Hell 10 | Marvel, December 1974 | co-plot; script |
| War Is Hell 11 | Marvel, February 1975 | writer |
| War Is Hell 12 | Marvel, April 1975 | writer |
| War Is Hell 13 | Marvel, June 1975 | writer |
| War Is Hell 14 | Marvel, August 1975 | writer |
| War Is Hell 15 | Marvel, October 1975 | writer |
| WHAT IF . . . ? (VOL. 2) #32 | Marvel, December 1991 | co-plotter |
| WILD CARDS VIII: ONE-EYED JACKS | Bantam, February 1991 | writer of one short story |
| WILDC.A.T.S #10 | Image, April 1994 | writer |
| WILDC.A.T.S #11 | Image, June 1994 | writer |
| WILDC.A.T.S #12 | Image, August 1994 | writer |
| WILDC.A.T.S #13 | Image, September 1994 | writer of two stories |
| Will Eisner's The Spirit 30 | Kitchen Sink, July 1981 | scripter of one page in a "jam" story |
| Wolverine 1 | Marvel, September 1982 | writer |
| Wolverine 2 | Marvel, October 1982 | writer |
| Wolverine 3 | Marvel, November 1982 | writer |
| Wolverine 4 | Marvel, December 1982 | writer |
| Wolverine 1 | Marvel, November 1988 | writer |
| Wolverine 2 | Marvel, December 1988 | writer |
| Wolverine 3 | Marvel, January 1989 | writer |
| Wolverine 4 | Marvel, February 1989 | writer |
| Wolverine 5 | Marvel, March 1989 | writer |
| Wolverine 6 | Marvel, April 1989 | writer |
| Wolverine 7 | Marvel, May 1989 | writer |
| Wolverine 8 | Marvel, June 1989 | writer |
| Wolverine 10 | Marvel, August 1989 | writer |
| WOLVERINE #125 | Marvel, June 1998 | writer |
| WOLVERINE #126 | Marvel, July 1998 | writer |
| WOLVERINE #127 | Marvel, August 1998 | writer |
| WOLVERINE #128 | Marvel, September 1998 | writer |
| Wolverine trade paperback | Marvel, July1987 | writer of text introduction |
| X-FACTOR #65 | Marvel, April 1991 | script |
| X-FACTOR #66 | Marvel, May 1991 | script |
| X-FACTOR #67 | Marvel, June 1991 | script |
| X-FACTOR #68 | Marvel, July 1991 | script |
| X-Men 59 | Marvel, August 1969 | uncredited plot suggestion |
| X-MEN #1 | Marvel, October 1991 | co-plotter; script |
| X-MEN #2 | Marvel, November 1991 | writer |
| X-MEN #3 | Marvel, December 1991 | writer |
| X-MEN #95 | Marvel, December 1999 | script, uncredited |
| X-MEN #96 | Marvel, January 2000 | script, uncredited |
| X-MEN #100 | Marvel, May 2000 | writer |
| X-MEN #101 | Marvel, June 2000 | writer |
| X-MEN #102 | Marvel, July 2000 | writer |
| X-MEN #103 | Marvel, August 2000 | writer |
| X-MEN #104 | Marvel, September 2000 | writer |
| X-MEN #105 | Marvel, October 2000 | writer |
| X-MEN #106 | Marvel, November 2000 | writer |
| X-MEN #107 | Marvel, December 2000 | writer |
| X-MEN #108 | Marvel, January 2001 | writer |
| X-MEN #109 | Marvel, February 2001 | writer |
| X-MEN 2 | Del Rey, March 2003 | writer of novelization |
| X-MEN 2000 | Marvel, 2000 | writer |
| X-Men and Alpha Flight 1 | Marvel, December 1985 | writer |
| X-Men and Alpha Flight 2 | Marvel, January 1986 | writer |
| X-Men and the Micronauts 1 | Marvel, January 1984 | co-writer |
| X-Men and the Micronauts 2 | Marvel, February 1984 | co-writer |
| X-Men and the Micronauts 3 | Marvel, March 1984 | co-writer |
| X-Men and the Micronauts 4 | Marvel, April 1984 | co-writer |
| X-MEN: BLACK SUN #1 | Marvel, November 2000 | writer |
| X-MEN: BLACK SUN #2 | Marvel, November 2000 | writer |
| X-MEN: BLACK SUN #3 | Marvel, November 2000 | writer |
| X-MEN: BLACK SUN #4 | Marvel, November 2000 | writer |
| X-MEN: BLACK SUN #5 | Marvel, November 2000 | writer |
| X-Men: The Asgardian Wars trade paperback | Marvel, 1988 | writer of text introduction |
| X-MEN: THE CHRIS CLAREMONT COLLECTION | Marvel, November 1994 | writer of new text introductions to reprinted stories |
| X-MEN: TRUE FRIENDS #1 | Marvel, September 1999 | writer |
| X-MEN: TRUE FRIENDS #2 | Marvel, October 1999 | writer |
| X-MEN: TRUE FRIENDS #3 | Marvel, November 1999 | writer |
| X-MEN UNLIMITED #27 | Marvel, June 2000 | co-writer |
| X-MEN UNLIMITED #36 | Marvel, July 2002 | writer of first story |
| X-MEN UNLIMITED #39 | Marvel, January 2003 | writer of one story |
| X-MEN UNLIMITED #43 | Marvel, not dated | writer of first story |
| X-TREME X-MEN #1 | Marvel, July 2001 | writer |
| X-TREME X-MEN #2 | Marvel, August 2001 | writer |
| X-TREME X-MEN #3 | Marvel, September 2001 | writer |
| X-TREME X-MEN #4 | Marvel, October 2001 | writer |
| X-TREME X-MEN #5 | Marvel, November 2001 | writer |
| X-TREME X-MEN #6 | Marvel, December 2001 | writer |
| X-TREME X-MEN #7 | Marvel, January 2002 | writer |
| X-TREME X-MEN #8 | Marvel, February 2002 | writer |
| X-TREME X-MEN #9 | Marvel, March 2002 | writer |
| X-TREME X-MEN #10 | Marvel, April 2002 | writer |
| X-TREME X-MEN #11 | Marvel, May 2002 | writer |
| X-TREME X-MEN #12 | Marvel, June 2002 | writer |
| X-TREME X-MEN #13 | Marvel, July 2002 | writer |
| X-TREME X-MEN #14 | Marvel, August 2002 | writer |
| X-TREME X-MEN #15 | Marvel, September 2002 | writer |
| X-TREME X-MEN #16 | Marvel, September 2002 | writer |
| X-TREME X-MEN #17 | Marvel, October 2002 | writer |
| X-TREME X-MEN #18 | Marvel, November 2002 | writer |
| X-TREME X-MEN #19 | Marvel, December 2002 | writer |
| X-TREME X-MEN #20 | Marvel, March 2003 | writer |
| X-TREME X-MEN #21 | Marvel, April 2003 | writer |
| X-TREME X-MEN #22 | Marvel, May 2003 | writer |
| X-TREME X-MEN #23 | Marvel, May 2003 | writer |
| X-TREME X-MEN #24 | Marvel, June 2003 | writer |
| X-TREME X-MEN #25 | Marvel, July 2003 | writer |
| X-TREME X-MEN #26 | Marvel, July 2003 | writer |
| X-TREME X-MEN #27 | Marvel, August 2003 | writer |
| X-TREME X-MEN #28 | Marvel, September 2003 | writer |
| X-TREME X-MEN #29 | Marvel, October 2003 | writer |
| X-TREME X-MEN #30 | Marvel, October 2003 | writer |
| X-TREME X-MEN #31 | Marvel, November 2003 | writer |
| X-TREME X-MEN #32 | Marvel, December 2003 | writer |
| X-TREME X-MEN #33 | Marvel, December 2003 | writer |
| X-TREME X-MEN #34 | Marvel, January 2004 | writer |
| X-TREME X-MEN #35 | Marvel, January 2004 | writer |
| X-TREME X-MEN #36 | Marvel, February 2004 | writer |
| X-TREME X-MEN #37 | Marvel, February 2004 | writer |
| X-TREME X-MEN #38 | Marvel, February 2004 | writer |
| X-TREME X-MEN #39 | Marvel, February 2004 | writer |
| X-TREME X-MEN #40 | Marvel, March 2004 | writer |
| X-TREME X-MEN #41 | Marvel, April 2004 | writer |
| X-TREME X-MEN #42 | Marvel, April 2004 | writer |
| X-TREME X-MEN #43 | Marvel, May 2004 | writer |
| X-TREME X-MEN #44 | Marvel, May 2004 | writer |
| X-TREME X-MEN 2001 | Marvel, 2001 | writer of two stories |
| X-TREME X-MEN: SAVAGE LAND #1 | Marvel, November 2001 | writer |
| X-TREME X-MEN: SAVAGE LAND #2 | Marvel, December 2001 | writer |
| X-TREME X-MEN: SAVAGE LAND #3 | Marvel, January 2002 | writer |
| X-TREME X-MEN: SAVAGE LAND #4 | Marvel, February 2002 | writer |
| X-TREME X-POSÉ #1 | Marvel, January 2003 | writer |
| X-TREME X-POSÉ #2 | Marvel, February 2003 | writer |