Manuscripts
H -- Miscellaneous
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H -- Miscellaneous
Manuscripts
Oscar A. Hagen (1); E. W. Hawkes (14); Bernard Clifford Hendricks (1); John Severy Hibben (1); Alexander Hollander (1); John M. Howie (1); Philip F. Hoyt [re illness & death of Wilbur F. Hoyt] (3); Wilbur Franklin Hoyt [one letter with note from R. D. Overholt] (6)
mssPettit papers
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H -- Miscellaneous
Manuscripts
F. H. Hagner [Position Finder Corp.] (7); Charles E. Hall (2); Hanovia Chemical & Manufacturing Co. (1); Hartford, Connecticut, Board of Education (1); Samuel G. Hefelbower [much re Carthage College] (18); Bernard Clifford Hendricks (5); [?] Henson (1); Samuel G. Hibben [Westinghouse Lamp Co.] (2); Edgar Higgins (2); W. J. Hitchcock (4); Holmes Projector Co. (2); John M. Howie (4); The Huntington Library (1)
mssPettit papers
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H -- Miscellaneous
Manuscripts
Carl Halvarson (2); Julie M. Vinter Hansen [includes correspondence with Astronomical Society of the Pacific] (7); Arthur Cobb Hardy (1); Ezra Clarence Harrah (7); Robert Torrens Hatt (2); Ruth E. Hayner (4); Rosemary Heckelman (2); Samuel G. Hefelbower (7); Neal J. Heines (10); Bernard Clifford Hendricks (1); Carl Hinshaw [includes form letter from "American Defense"] (3); Bert Hollenbee (1); Holmes Projector Co. (1); H. J. Holmquest (2); Houghton-Mifflin Co. (1); John M. Howie (3); Edward Olson Hulburt (3); H. R. Hulme (3); Ellsworth Huntington (2); Charles W. Hurd (6)
mssPettit papers
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H -- Miscellaneous
Manuscripts
George Ellery Hale (1); Asaph Hall, Jr. (5); William Edmund Harper (1); Harper's Magazine [includes correspondence with Ellsworth Huntington] (7); George Russell Harrison (2); Margaret Harwood (5); Russell M. Heath (1); S. G. Hefelbower (1); Henry Heil Chemical Co. (6); Adam Hilger, Ltd. (1); Herbert Percival Hollnagel (3); Herbert Clark Hoover (1); John M. Howie [includes copy letter EP 6 Victor Clifton Alderson] (3); Wilbur Franklin Hoyt [includes photo] (4)
mssPettit papers
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K -- Miscellaneous
Manuscripts
J. L. Keane (2); Ernst Keil (2); Keystone View Co. of New York (1); Herbert Harvey Kimball (1); Hoyt Klinck (2)
mssPettit papers
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S -- Miscellaneous
Manuscripts
W. R. Sawyer (2); Jan Schilt (1); Science and Invention (3); Science Service (1); Scientific American (4); The Scientific Monthly (7); Charles G. Shannon (1); Harlow Shapley (4); Forrest Shreve (4); Clarence Aurelius Skinner (2); Lois T. Slocum (2); D. F. Smiley (3); Eugene H. Smith (4); Louis Bevier Spinney (1); Joel Stebbins (2); Harry Steenbock (2); Harlan True Stetson (22); The Stratford Co. (1); Otto Struve (3); Agnes M. Swain (1); Godfrey Glenton Sykes [many items re Desert Sanatorium] (15)
mssPettit papers