* The Book of Madness and Horror (1927)
* The Whisperer (1929)
* Skräckens helvete (1930)
* The Torture Squad (1932)
* Shadow of the Torture Man (1933)
* Doctor Skull's Murder Machine (1935)
* Monstermakarna (1936)
* Varulvsmåne (1940)
* The Witching Moon (1941)
* The Corpse Eaters (1942)
* The Ghost Riders (1943)
* The Devil's Brew (1944)
* The Vampire's Claw (1945)
* The Tomb of Terror (1946)
* The Curse of the Mummy (1947)
* Den galna doktorns dotter (1948)
* Skräckens hus (1949)
* The Screaming Skull (1950)
* The Living Corpse (1951)
* The Thing from the Swamp (1952)
* The Giant Spider (1954)
* The Blob (1956)
* Amazonas skräck (1958)
* Zombiesdalen (1961)
Noveller
* "Skräcken vid Röda tornen" (1926)
* "The Curse of the Mummy's Tomb" (1927)
* "Skräckens hus" (1928)
* "Ghouls fest" (1929)
* "Vampyrerna i Venedig" (1930)
* "Varulvens klo" (1931)
* "The Zombie Master" (1932)
* "Spökskeppet" (1933)
* "The Devil's Brew" (1934)
* "Vampyrens kyss" (1935)
* "The Curse of the Mummy's Hand" (1936)
* "Den galna doktorns dotter" (1937)
* "Skräckens hus" (1938)
* "The Screaming Skull" (1939)
* "The Living Corpse" (1940)
* "The Thing from the Swamp" (1941)
* "The Giant Spider" (1942)
* "The Blob" (1943)
* "Amazonas skräck" (1944)
* "Valley of the Zombies" (1945)