Manuscripts
L -- Miscellaneous
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L -- Miscellaneous
Manuscripts
Claude Jerome Lapp (3); H. J. Larson (3); Francis P. Leavenworth (2); Oliver Justin Lee (2); The Leeds & Northrup Co. (9); The Literary Digest (1); Leonard Benedict Loeb (1)
mssPettit papers
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L -- Miscellaneous
Manuscripts
Oliver Justin Lee (2); The Leeds & Northrup Co. (20); Walter F. Lineberger [includes correspondence with Smithsonian Institution] (6); The Littleton Co. (1); Knut Lundmark (2)
mssPettit papers
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A -- Miscellaneous
Manuscripts
Giorgio Abetti (5); Adler Planetarium (3); Aircraft Radio Laboratory, War Department (2); Allegheny Ludlum Steel Corp. (5); American Association of Scientific Workers (2); American Astronomical Society [Joel Stebbins] (1); "American Defense" [California Institute, Huntington Library, Mount Wilson Observatory Group] (1); American Geophysical Union [Charles Franklin Brooks, letter re C. G. Abbot's proposal --includes carbons of letters from: Helmut Landsberg, Larry F. Page, Harlan True Stetson, Homer Woodworth Clough, & Chaim Leib Pekeris] (10); American Peoples Encyclopedia (11); Clifford Norman Anderson [includes typed manuscript "A Representation of the Sunspot Cycle", copy letter from John Adam Fleming, & copy typed ms. "Solar Radiation and Geomagnetism," by J. Bartels] (6); L. E. Armfield (2); Betty June Arnold (2); Astronomical Society of the Pacific (2); L. d'Azambuja (1)
mssPettit papers
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L -- Miscellaneous
Manuscripts
Frederick Charles Leonard (5); Isabel M. Lewis (2); Library Association of Portland, Oregon (1); W. M. Lindley (3); The Literary Digest [draft of letter to O. C. Nichols on back] (1); Los Angeles Astronomical Society [Mars F. Baumgardt] (1); Hazel Marie Losh (3)
mssPettit papers
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L -- Miscellaneous
Manuscripts
Carl Otto Lampland (1); Lancaster High School (1); Lancaster, New Hampshire [to unidentified person re eclipse plans] (1); E. M. Lang, Jr. (2); Leeds & Northrup Co. (3); Arthur Leslie (1); Gertrude Lofy (1)
mssPettit papers
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S -- Miscellaneous
Manuscripts
Mrs. Beth Satterthwaite (2); Harold E. Sawyer (3); J. G. Schott (1); Science (3); Science Service (1); The Scientific Monthly (3); F. J. Sellers (4); Charles Donald Shane (1); John T. Shannon (3); Albert V. Shatzel (8); Victor Ernest Shelford (3); James M. Sheridan (2); Jessie May Short (1); W. T. Skilling (16); The Sky (1); Sky and Telescope (2); Earl Carl Slipher (1); Harry F. Smejkal (1); Dana Smith (3); Walter Soller (3); The Sponge Rubber Products Co. (1); Joel Stebbins (2); Theodore Eugene Sterne (8); Harlan True Stetson (3); F. J. M. Stratton (2); Otto Struve (12); Sunny Schick (4); Polydore Swings (3)
mssPettit papers