Bibliografia dettagliata
Space: 1999
- Cosmic Headache (disegni) 20 pagine
Prima pubblicazione: Space: 1999 [magazine] # 7, Charlton Comics (Set 1976)
- Cosmic Headache (disegni) 20 pagine
Cover
L'autore ha 30 cover- Marvel Graphic Novel # 19
- Batman: Shadow of the Bat # 62
- Batman: Shadow of the Bat # 63
- Batman: Shadow of the Bat # 64
- Action Comics Annual vol 1 # 9
- The Spectre vol 3 # 33
- The Savage Sword of Conan Vol 1 # 232
- The Savage Sword of Conan Vol 1 # 126
- The Savage Sword of Conan Vol 1 # 129
- The Savage Sword of Conan Vol 1 # 135
- The Savage Sword of Conan Vol 1 # 136
- The Savage Sword of Conan Vol 1 # 148
- The Savage Sword of Conan Vol 1 # 149
- The Savage Sword of Conan Vol 1 # 152
- Batman: Shadow of the bat # 4
- Universo DC: Lo Spettro # 2
- Best Comics # 19
- Conan la Spada Selvaggia # 63
- Conan la Spada Selvaggia # 71
- Conan la Spada Selvaggia # 72
- Conan la Spada Selvaggia # 79
- The Savage Sword of Conan Vol 1 # 225
- The Savage Sword of Conan Vol 1 # 233
- The Savage Sword of Conan Vol 1 # 183
- La Spada Selvaggia di Conan # 22
- Marvel Graphic Novel: Kull - The Vale of Shadow # 1
- Conan the Savage Vol 1 # 2
- La Spada Selvaggia di Conan # 23
- Marvel Graphic Novel: Conan of the Isles # 1
- Wonder Woman Annual vol 2 # 6