Primeval Thule Campaign Setting (5e)
Unknown
Call of Cthulhu - Investigator Weapons
Volume 1, The 1920s & 1930s
WtA - Breedbook
Rokea (2001)
Dawn of the Artifacts: Dusk (Maps)
Catalyst Game Labs
The Yellow Sign & Other Stories
Robert W. Chambers & S.T. Joshi
New Tales of the Yellow Sign
Robin D. Laws
Nightmare's Disciple
Joseph S. Pulver Sr.
Tales of Cthulhu Invictus: Nine Stories of Battling the Cthulhu ...
Christine Morgan & Brian M. Sammons & William Meikle & Konstantine Paradias & Pete Rawlik & Edward M. Erdelac & Penelope Love & Tom Lynch & Lee Clark Zumpe & Robert M. Price