* The Red-Haired Woman
* The White Sister
* The Black Madonna
* The Blue Rose
* The House of Shadows
* The Castle of Illusion
* The Garden of Secrets
* The Palace of Dreams
* The Tower of Silence
* The City of the Dead
* The Empire of the Damned
Short Stories
* "The Spectre"
* "The Ghost"
* "The Demon"
* "The Witch"
* "The Vampire"
* "The Werewolf"
* "The Mummy"
* "The Frankenstein Monster"
* "The Invisible Man"
* "The Hunchback of Notre Dame"
* "The Phantom of the Opera"
Essays
* "On Horror and the Supernatural"
* "The Art of the Ghost Story"
* "The Future of Horror Fiction"
* "The Influence of Edgar Allan Poe"
* "The Psychology of Fear"
* "The Metaphysics of Horror"
Film Scripts
* The Red-Haired Woman (1932)
* The White Sister (1933)
* The Black Madonna (1934)
* The Blue Rose (1935)
* The House of Shadows (1936)
* The Castle of Illusion (1937)
Television Scripts
* "The Spectre" (1960)
* "The Ghost" (1961)
* "The Demon" (1962)
* "The Witch" (1963)
* "The Vampire" (1964)
* "The Werewolf" (1965)
* "The Mummy" (1966)
* "The Frankenstein Monster" (1967)
* "The Invisible Man" (1968)
* "The Hunchback of Notre Dame" (1969)
* "The Phantom of the Opera" (1970)