Manuscripts
A -- miscellaneous
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A -- miscellaneous
Manuscripts
[Charles Greeley Abbot (1); Robert Grant Aitken (1); Loyal Blaine Aldrich (2); Angeles National Forest (U.S. Forest Service) (1)]
mssHumason papers
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A -- Miscellaneous
Manuscripts
Charles Greeley Abbot (4); Robert Grant Aitken (6); Laurence Aller (1); American Astronomical Society (1); American Society for Psychical Research [Glenn Palmer] (4); George Angelovich (2); The Antithesians [re "mind energy" photography] (3); Astronomical Society of the Pacific [Charles Hitchcock Adams, includes 2 typed manuscripts "Temperatures on the Moon"] (8); Edward Ayling (2)
mssPettit papers
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A -- Miscellaneous
Manuscripts
Charles Greeley Abbot (17); Walter Sydney Adams (1); Robert Grant Aitken (4); Allyne & Ward (2); American Astronomical Society [Joel Stebbins] (9); Clifford N. Anderson [includes typed manuscript "Correlation of Radio Transmission with Ultra-Violet Radiation and Ozone"] (4); Arrowhead Springs Corp. (1); Atlantic Photo-Co. (3); L. d'Azambuja (2)
mssPettit papers
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A -- Miscellaneous
Manuscripts
Charles Greeley Abbot (3); Giorgio Abetti (3); Robert Grant Aitken (5); American Council on Education, Committee on Graduate Instruction (2); American Economic Foundation [Percival White] (1); American Geophysical Union (5); American Philosophical Society (3); H. J. Andrews (1); Apex Films Inc. (1); Astronomical Society of the Pacific [Paul Willard Merrill] (1)
mssPettit papers
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U -- miscellaneous
Manuscripts
[United Nations Educational, Scientific and Cultural Organization (Alain Gille) (3); U.S. Naval Ordnance Test Station (re Roger Hayward) (1)]
mssHumason papers
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I -- MISCELLANEOUS
Manuscripts
{Ibérica; Indian Academy of Sciences [M. N. Saha]; Institut d'Astronomique Pratique, Warsaw, Poland; Institut d'Optique; Institut de Physique du Globe, Paris [Ch. Maurain]; Institute of International Education; International Catalogue of Scientific Literature; International Education Board [re grant for AAVSO]; International Magazine Co.; International Press Service; Irving-Pitt Manufacturing Co.; Dorothea Isaac-Roberts}
mssSeares papers