Proof

Overview:

• Title: Proof
• Author: Hal Clement
• Year: 1942
• Type: Short Fiction

Editions/Publications:

• 1942. Astounding Science-Fiction, Jun 1942 (1942, John W. Campbell, Jr. Street & Smith Publications, Inc., $0.25, 132 pages, large, Magazine)
• 1951. Possible Worlds of SF (1951, Groff Conklin Vanguard, $2.95, 372 pages, Hardcover, Anthology)
• 1970. SF: Authors' Choice 2 (May 1970, Harry Harrison Berkley Medallion, Catalog ID: #S1837, $0.75, 286 pages, Paperback, Anthology)
• 1971. Where Do We Go from Here? (1971, Isaac Asimov Doubleday, Hardcover, Anthology)
• 1974. Where Do We Go from Here? Book 1 (1974, Isaac Asimov Sphere, ISBN-10: 0722112513, £0.40, 192 pages, Paperback, Anthology)
• 1980. The Great SF Stories 4 (1942) (1980, Isaac Asimov, Martin H. Greenberg DAW, ISBN-10: 0879975709, $2.50, 448 pages, Paperback, Anthology)
• 1981. First Voyages (1981, Damon Knight, Martin H. Greenberg, Joseph D. Olander Avon, ISBN-10: 0380775867, $2.95, Paperback, Anthology)
• 1983. Golden Years of SF 2d Series (1983, Isaac Asimov Bonanza Books, ISBN-10: 0517413671, 723 pages, Anthology)
• 1983. The Golden Years of Science Fiction (Second Series) (1983, Isaac Asimov, Martin H. Greenberg Bonanza/Crown, ISBN-10: 0517413671, 723 pages, Hardcover, Anthology)
• 1988. Encounters (1988, Isaac Asimov, Martin H. Greenberg, Charles G. Waugh Headline, ISBN-10: 0747230919, £3.50, xii+399 pages, Paperback, Anthology)
• 1994. The Ascent of Wonder: The Evolution of Hard SF (1994, David G. Hartwell, Kathryn Cramer Tor, ISBN-10: 031285062X, 988 pages, Hardcover, Anthology)
• 1994. The Ascent of Wonder: The Evolution of Hard SF (1994, David G. Hartwell, Kathryn Cramer Orbit, ISBN-10: 1857232712, £25.00, 990 pages, Hardcover, Anthology)
• 2003. Wondrous Beginnings (January 2003, Steven H. Silver, Martin H. Greenberg DAW, ISBN-10: 0756400988, 320 pages, Paperback, Anthology)

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