Galopin, Arnould
Chronological Checklist
- Le Docteur Oméga: Aventures fantastiques de trois Français dans la Planète Mars ["Doctor Omega: Fantastic Adventures of Three Frenchmen on the Planet Mars"] (Paris: Albin Michel/Librarie Mondiale, 1906)
- L'Homme au Complet Gris (Paris: Librarie contemporanie, 1911)
- Tênébras, le bandit fantôme (Paris: Librarie contemporanie, 1912)
- Doctor Omega (Encino, California: Hollywood Comics/Black Coat Press, 2005)
- Doctor Omega and the Shadowmen (Encino, California: Hollywood Comics/Black Coat Press, 2011) edited by Jean-Marc Lofficier and Randy Lofficier
- Harry Dickson: The American Sherlock Holmes: The Man in Grey (Encino, California: Hollywood Comics/Black Coat Press, 2016)
- Harry Dickson: The American Sherlock Holmes: Vs Tenebras (Encino, California: Hollywood Comics/Black Coat Press, 2016)
- Doctor Omega and the Shadowmen (Volume 2) (Encino, California: Hollywood Comics/Black Coat Press, 2024) edited by Jean-Marc Lofficier and Randy Lofficier