Results for "Philadelphia Academy of Science"

 
Showing results 1 - 2 of 2 for Philadelphia Academy of Science
  1. Members of the Advisory Committee of scientists directing arrangements for the National Geographic Society - U.S. Army Air Force Stratosphere Flight

    Members of the Advisory Committee of scientists directing arrangements for the National Geographic Society - U.S. Army Air Force Stratosphere Flight

    • Date: 1934

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  3. Finding Aid

    SIA Acc. 13-060, Marvin, Ursula B, Ursula B. Marvin Papers, 1926-2007

    • Date: 1926 1926-2007
    • Creator: Marvin, Ursula B.
    • Creator: Smithsonian Institution Archives

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Showing results 1 - 2 of 2 for Philadelphia Academy of Science