John W. Campbell

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Analog Science Fact & Fiction, July 1961

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Analog Science Fact & Fiction, October 1960, Vo …

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Analog Science Fiction and Fact, August 1967 w

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Analog science fiction/science fact. No. 435 (Feb. …

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Analog science fiction/science fact. No. 453 (Aug. …

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Analog science fiction/science fact. No. 466 (Sept. …

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Analog science fiction/science fact. No. 469 (Dec. …