The Best of Science Fiction (1946)
A Treasury of Science Fiction (1948)
The Science Fiction Galaxy (1950)
The Big Book of Science Fiction (1950)
In the Grip of Terror (1951)
Possible Worlds of Science Fiction (1951)
Invaders of Earth (1952)
Omnibus of Science Fiction (1952)
Crossroads in Time (1953)
Science-Fiction Adventures in Dimension (1953)
The Supernatural Reader (1953) (with Lucy Conklin)
6 Great Short Novels of SF (1954)
Thinking Machines (1954)
Operation Future (1955)
Science Fiction Adventures in Mutation (1955)
Science Fiction Terror Tales (1955)
Science Fiction Omnibus (1956)
The Graveyard Reader (1958)
4 for the Future (1959)
Br-r-r-!: Ten Chilling Tales (1959)
Six Great Short Science Fiction Novels (1960)
13 Great Stories of Science Fiction (1960)
Twisted (1962)
Worlds of When (1962)
Great Science Fiction by Scientists (1962)
17 x Infinity (1963)
12 Great Classics of Science Fiction (1963)
Great Science Fiction About Doctors (1963) (with N D Fabricant)
Great Stories of Space Travel (1963)
Fifty Short Science Fiction Tales (1963) (with Isaac Asimov)
Human and Other Beings (1963) (with Allen DeGraeff (Albert Paul Blaustein))
Dimension 4 (1964)
Five-Odd (1964)
     aka Possible Tomorrows
13 Above the Night (1965)
5 Unearthly Visions (1965)
Giants Unleashed (1965)
     aka Minds Unleashed
Great Detective Stories About Doctors (1965) (with N D Fabricant)
Science Fiction Oddities (1966)
Seven Come Infinity (1966)
Another Part of the Galaxy (1966)
Seven Trips Through Time and Space (1968)
Elsewhere and Elswhen (1968)
Science Fiction Elsewhen (1970)
Science Fiction Elsewhere (1970)
Golden Age of Science Fiction (1980)
The Classic Book of Science Fiction (1982)

41 Above the Rest: An Index and Checklist for the Anthologies of Groff Conklin (2004) by Bud Webster