John W. Campbell

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Astounding science fiction. No. 307 (June 1956)

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Astounding science fiction. No. 308 (July 1956)

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Astounding science fiction. No. 309 (Aug. 1956)

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Astounding science fiction. No. 310 (Sept. 1956)

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Astounding science fiction. No. 311 (Oct. 1956)

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Astounding science fiction. No. 313 (Dec. 1956)

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Astounding science fiction. No. 315 (February 1957)

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Astounding science fiction. No. 316 (March 1957)

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Astounding science fiction. No. 317 (April 1957)

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Astounding science fiction. No. 318 (May 1957)