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Analog Science Fiction/Science Fact Vol. 78 #3 GD- 1.8 1966 Low Grade. Grade GD- 1.8. November 1966. Stories: "Too Many Magicians" (conclusion) by Randall Garrett, "Letter From a Higher Critic" by Stewart Robb, "Quarantine World" by Murray Leinster, and "Facts to Fit the Theory" by Christopher Anvil.
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