Sci-Fi Art: Frog Alien

6 images

Giant Woman Captive & Frog Aliens: Science Fiction Magazine June 1940
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Other Worlds Science Stories May 1951 — Frog Alien Captures Woman in Undersea Cage
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Galaxy Magazine Aug 1959 – Human Diver vs Frog Alien Underwater Encounter
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Amazing Stories Quarterly Spring 1932: Human vs. Alien in Glass Tunnel Shootout
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Muck Man Frog-Alien Cover, Worlds of IF Science Fiction, Nov 1963
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Keith Laumer's Retief Meets Alien Diplomats – If Magazine July 1962
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