Death in Dunwich
Theatre of the Mind Enterprises
MC8 - Monstrous Compendium - Outer Planes (2118)
Unknown
CoC
1920s' Slang
Crypt of the Shadowking
Mark Anthony
Forgotten Realms: Harpers (6)
Shadowbred
Paul S. Kemp
Forgotten Realms: Twilight War (1)
Shadowrealm
Forgotten Realms: Twilight War (3)
Shadowstorm
Forgotten Realms: Twilight War (2)