Lester del Rey

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Pirate flag for Monterey; the story of the sack of …

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Prisoners of Space

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Psi- Patt

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Pursuit

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"Reincarnate" (in Early del Rey)

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Robots and Changelings: Eleven Tales of Fantasy and …

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Rockets through space: the story of man's preparati …

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Rockets to nowhere

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Scheme of Things, The

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Space Flight the Coming Exploration Of the Universe