Manuscripts
H -- Miscellaneous
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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
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
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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H -- Miscellaneous
Manuscripts
Asaph Hall, Jr. (1); L. R. Hafstad (1); Herbert A. Hamm (1); Hanovia Chemical & Manufacturing Co. (23); R. I. Harris (1); Gilbert Havens (2); Earnest W. Hawkes (2); Fred H. Heath (1); Bernard Clifford Hendricks (1); Adam Hilger, Ltd. (1); Leonard Hill (2); Thorfin Rusten Hogness (3); Mrs. C. I. W. Hollister (2); William James Hooper (4); Frank E. Howard (4); William Franklin Hoyt (18); Blythe Hurst, Sr. (6)
mssPettit papers
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B -- Miscellaneous
Manuscripts
Ren J Bache (3); Lloyd C. Bagby (4); Baker & Co., Inc. (3); George Banta Publishing Co. (1); Edward Emerson Barnard (1); Storrs Barrows Barrett (7); Bausch & Lomb Optical Co. (10); James G. Biddle (17); Paul Biefeld (4); Herbert Brownell (2); S. M. Brownell (1); Bertram Borden Boltwood (1); John A. Brashear & Co. [see J. B. McDowell Co.]; The Braun Corporation (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