Adventures in Arkham Country (Call of Cthulhu Horror Roleplaying, 1920s), by Kevin Hassall, Andrew Leman, Jamie Anderson, Fred Behrendt, Todd A. Woods, Scott Aniolowski
Call of Cthulhu (d20 Edition Horror Roleplaying, WotC), by Monte Cook, John Tynes Signed
Call of Cthulhu Gamemasters Pack: d20, Horror Roleplaying, 8801, by Dustin Wright,Aaron Rosenberg
Call Of Cthulhu: Horror Roleplaying In the Worlds Of H.P. Lovecraft (5th Edition - Chaosium #2336), by Petersen, Sandy, Willis, Lynn
Cthulhu Now: Modern Adventures and Background for Call of Cthulhu Roleplaying/3307, by Petersen,Okamoto, Jeff,Herber, Keith,Corless, Peter,Barton, William A.
Dead Reckonings (Call of Cthulhu Roleplaying Game), by Watts, Richard,Kingrea, J. Todd,Ross, Kevin
The Bermuda Triangle (Call of Cthulhu Horror Roleplaying, 1990s Era), by Justin Schmid