Editing Sam Moskowitz (section)

== Works ==
===Nonfiction===
* ''The Immortal Storm: A History of Science Fiction Fandom'' (1954)
* ''[[Explorers of the Infinite|Explorers of the Infinite: Shapers of Science Fiction]]'' (Cleveland: World Pub. Co, 1963)
* ''[[Seekers of Tomorrow|Seekers of Tomorrow: Masters of Modern Science Fiction]]'' (Westport, Conn: Hyperion Press, 1974, {{ISBN|0883551292}})
* ''A Canticle for P. Schuyler Miller'' (1975)
* ''Science Fiction Calendar 1976'' (1975)
* ''Strange Horizons: The Spectrum of Science Fiction'' (1976)
* ''Charles Fort: A Radical Corpuscle'' (1976)
* ''[[History of the Movement from 1854 to 1890|Science Fiction in Old San Francisco: History of the Movement, From 1854 to 1890]]'' (1980) 
* ''A. Merritt: Reflections in the Moon Pool'' (1985) with A. Merritt
* ''Howard Phillips Lovecraft and Nils Helmer Frome: A Recollection of One of Canada's Earliest Science Fiction Fans'' (1989)
* ''After All These Years...'' (1991)

===Edited anthologies===
* ''Editor's Choice in Science Fiction'' (1954)
* ''The Coming of the Robots'' (1963)
* ''Exploring Other Worlds'' (1963)
* ''[[Modern Masterpieces of Science Fiction]]'' (1965)
* ''Strange Signposts'' (with Roger Elwood) (1966)
* ''Doorway Into Time'' (1966)
* ''[[Masterpieces of Science Fiction]]'' (1966)
* ''Three Stories'' (1967) (a.k.a. ''A Sense of Wonder'', ''The Moon Era'') 
* ''The Human Zero and Other Science-Fiction Masterpieces'' (with Roger Elwood) (1967)
* ''Microcosmic God'' (1968) (a.k.a. ''The Microcosmic God'')
* ''Science Fiction by Gaslight: A History and Anthology of Science Fiction in the Popular Magazines, 1891–1911'' (Cleveland: World Pub. Co., 1968)
* ''The Vortex Blasters'' (1968)
* ''[[The Time Curve]]'' (with Roger Elwood) (1968)
* ''Alien Earth and Other Stories'' (with Roger Elwood) (1969)
* ''Other Worlds, Other Times'' (with Roger Elwood) (1969)
* ''The Man Who Called Himself Poe'' (Garden City, N.Y.: Doubleday, 1969; a.k.a. ''A Man Called Poe: Stories in the Vein of Edgar Allan Poe'') 
* ''Great Untold Stories of Fantasy and Horror'' (with Alden H. Norton) (1969)
* ''Under the Moons of Mars; A History and Anthology of "the Scientific Romance" in the Munsey Magazines, 1912–1920'' (New York: Holt, Rinehart and Winston, 1970)
* ''Futures to Infinity'' (1970)
* ''Horrors Unknown'' (1971)
* ''The Space Magicians'' (with Alden H. Norton) (1971)
* ''Ghostly By Gaslight'' (with Alden H. Norton) (1971)
* ''When Women Rule'' (1972)
* ''Horrors in Hiding'' (with Alden H. Norton) (1973)
* ''The Crystal Man: Stories by Edward Page Mitchell'' (1973)
* ''Horrors Unseen'' (1974)