Ravenloft Campaign Setting: Core Rulebook (d20 3.0 Fantasy Roleplaying)

Curse of Strahd: A Dungeons & Dragons Sourcebook (D&D Supplement)

Denizens of Darkness (d20 3.0 Fantasy Roleplaying, Ravenloft)

Ravenloft Dungeon Master's Guide (Dungeons & Dragons d20 3.5 Fantasy Roleplaying, Ravenloft Setting)

Secrets of the Dread Realm: Plus Gamemaster Screen (Ravenloft d20 Campaign Setting)

Dungeon Master's Guide: Core Rulebook II (Dungeons & Dragons)

Tales From the Yawning Portal (Dungeons & Dragons)

Forgotten Realms Campaign Setting (Dungeons & Dragons d20 3.0 Fantasy Roleplaying, Forgotten Realms Setting)

Domains of Dread (Advanced Dungeons & Dragons: Ravenloft, Campaign Setting/2174)

Van Richten's Arsenal (Ravenloft d20 3.0 Fantasy Roleplaying)