| Appeared in | Book Future Tense 1964 |
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| Appeared in | Book When the Five Moons Rise 1992 |
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| Appeared in | Magazine Astounding Oct 1959 |
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| Appeared in | Anthology Windows Into Tomorrow 1974, Robert Silverberg, Hawthorn |
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| Appeared in | Anthology The Survival of Freedom 1981, Pournell/Carr, Fawcett |
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