Paolo Morisi & Carlo Zanfrognini :
https://www.lambiek.net/artists/m/morisi.htm
https://it.wikipedia.org/wiki/Carlo_Zanfrognini

Terry Lindall : (alias of Terrance Lindall)
https://www.comics.org/creator/12811/
https://comicvine.gamespot.com/terrance-lindall/4040-33887/issues-cover/

Origa : https://www.lambiek.net/artists/o/origa_graziano.htm

Zoran : https://www.lambiek.net/artists/z/zoran.htm

Ron Lindahn & Val (Lakey) Lindahn : https://www.comics.org/creator/13367/
http://www.comiccollectorlive.com/LiveData/Credit.aspx?id=034c3d41-e1c6-4940-acb4-d4e22bb92bf6
http://www.heavymetalmagazinefanpage.com/hmlist85.html
https://www.goodreads.com/author/show/321895.Val_Lakey_Lindahn

Pierre Ouin : https://www.lambiek.net/artists/o/ouin_pierre.htm
https://comicvine.gamespot.com/pierre-ouin/4040-59689/
https://www.comics.org/creator/38171/

TOC with page numbers referring to the gallery (do NOT tag artists with less than 4 pages)
Cover: Sanjulian
5-27 Morisi Zanfrognini (collab between carlo zanfrognini & paolo morisi)
27-31 Druillet & Bihannic
32-35 Terry Lindall
36 Michael Simmons and Origa
37-44 Caza
45 John Workman and Moebius
46-55 Fernando Fernandez
56-62 Paolo Serpieri
63-69 Zoran
70-74 Ron Lindahn and Val Lakey Lindahn
75-78 Enki Bilal
79-82 Ouin
83-92 Dick Matena
93-95 John Howe
Back Cover: John Workman

Base +38