World Encyclopedia
in Curiosity and SatisfactionA collection of information about the world, decade, people, and items that the characters may interact with
World Codex
Arkham map is by Gus DiZerega copyright ©1990; all rights reserved.
Miskatonic University is copyright by Sam Johnson; all rights reserved.
Arkham Unveiled is copyright ©1990 by Chaosium Inc.; all rights reserved.
Arkham Now is copyright as a whole ©2009 by Chaosium Inc.; all rights reserved.
Call of Cthulhu® is the registered trademark of Chaosium Inc.; all rights reserved.
HP. Lovecraft's works are copyright ©1963,1964,1965 by August Derleth; all rights reserved.
The Arkham Gazette is the creation of Sentinel Hill Press. © October, 2015; all rights reserved.
Atomic Age Cthulhu: Mythos Horror in the 1950s is copyright © 2012 by Chaosium Inc. All rights reserved.
Cathulhu is copyright © 2014 Ingo Ahrens and Adam Crossingham & Daniel Harms and others, and Sixtystone Press Limited; all rights reserved.