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NATIONAL GEOGRAPHIC SOCIETY [23]


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    NATIONAL GEOGRAPHIC SOCIETY [35]

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    [Corresp: Thomas W. McKnew; AGWilson; John O. LaGorce; Lyman J. Briggs; George O. Abell; Gilbert Grosvenor; Melville Bell Grosvenor; Windsor Booth; William C. Miller; RBGilmore; RLMinkowski; John H. Mee Photographs; Hale-Humphreys; Duplicate Photo Services. Concerns Sky Survey.]

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    NATIONAL GEOGRAPHIC SOCIETY [26]

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    [Re Sky Survey. Corresp: Thomas W. McKnew; George O. Abell; Rudolph Minkowski; Melvin M. Payne; R. B. Gilmore; Frederick G. Vosburgh; John Oliver LaGorce]

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    NATIONAL GEOGRAPHIC SOCIETY [8]

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    [Correesp: GWGreen; TWMcKnew; LJBriggs; RBGilmore; AGWilson]

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    CALIFORNIA INSTITUTE OF TECHNOLOGY [3]

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    [incl. fold Observatory Council minutes. c.memo ECWatson to LAD; c.ltr LAD to AGWilson]

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    NATIONAL GEOGRAPHIC SOCIETY [8]

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    [Corresp: Albert G. Wilson; LAD; RBGilmore]

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    NATIONAL GEOGRAPHIC SOCIETY [13]

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    [Corresp: DOHendrix; EPHubble; Thomas W. McKnew; V.Bush; LAD; GHHall; folded]

    Bowen