CoC - Delta Green - Adv
Observer Effect
Cthulhu by Gaslight
Sacraments of Evil
CoC Horror on the Orient Express
Strangers on the Train
Age of Cthulhu
Pickpocket
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
Delta Green: Strange Authorities
John Scott Tynes
The Black Seal number two
Adam Crossingham & the Black Seal team
The Black Seal number 1
Delta Green: Denied to the Enemy
Detwiller, Dennis