Army of Five Eyes (BoL)
Unknown
CoC - Miskatonic Repository - Modern Era
The Kirkwood Farmhouse Investigation
Orion: The Council of Beasts
Darius Hinks
Warhammer Fantasy: Orion (3)
The Ruanoch
TPK - Races of the Outer Rim
Libris Mortis: The Book of Undead
Andy Collins
Enemies and Allies
Bruce R. Cordell & Jeff Grubb & David Noonan & and Skip Williams
Manual of the Planes
Jeff Grubb
Bastion of Broken Souls
Bruce R. Cordell
Planar Handbook
Bruce R. Cordell & Gwendolyn F.M. Kestrel
Tome and Blood: A Guidebook to Wizards and Sorcerers
Bruce R. Cordell and Skip Williams