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51 Amazing Sci-Fi Short Stories
Various Various, Murray Leinster, Lester del Rey, Keith Laumer, Ray Cummings, Hal Clement, L. Ron Hubbard
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The Golden Age of Science Fiction - Volume XIII
Jack Sharkey, David Mason, Bryce Walton, Robert F. Young, Roger Dee, Hal Clement, J. F. Bone, Ned Lang, Roy Hutchins, Robert Zacks, Magnus Ludens, Allan Danzig, Jack Mckenty