Zredagowane antologie Editor’s Choice in Science Fiction (1954) Exploring Other Worlds (1963) The Coming of the Robots (1963) Modern Masterpieces of Science Fiction (1965) Doorway Into Time (1966) Three Stories (1967) Masterpieces of Science Fiction (1967) Microcosmic God (1968) Science Fiction by Gaslight (1968) The Vortex Blasters (1968) The Man Who Called Himself Poe (1969) Under the Moons of Mars: A History and Anthology of 'The Scientific Romance’ in the Munsey Magazines, 1912-1920 (1970) Futures to Infinity (1970) Horrors Unknown (1971) When Women Rule (1972) Horrors Unseen (1974)
Antologie współredagowane Wspólnie z Strange Signposts (1966) The Human Zero and Other Science-Fiction Masterpieces (1967) The Time Curve (1968) Alien Earth and Other Stories (1969) Other Worlds, Other Times (1969)
Wspólnie z Alden H. Norton Great Untold Stories of Fantasy and Horror (1969) The Space Magicians (1971) Ghostly By Gaslight (1971) Horrors in Hiding (1973)