Manuscripts
C -- Miscellaneous
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C -- Miscellaneous
Manuscripts
Arthur Hawthorne Carhart (2); Carnegie Institution of Washington, Division of Publications (5); Carthage College (7); Subrahmanyan Chandrasekhar (1); [?] Clark (1); William Weber Coblentz (2); Joseph P. Cranston (1); Crater Lake National Park (1); Eugene Casson Crittenden (3); Clifford Crump (4); Heber Doust Curtis (1); The Cushman Chuck Co. (2)
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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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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C -- Miscellaneous
Manuscripts
Jean Cabannes (2); Walter Guyton Cady (1); California Crushed Fruit Co. (2); California Institute of Technology [John August Anderson] (1); E. Calzavara (2); James McKeen Cattell [re search for Secretary of the Smithsonian] (1); Randolph M. Cermak (3); J. W. D. Chesney (1); Sam M. Clark (2); Mrs. William Weber Coblentz (1); Collier's (2); Corning Glass Works (2); J. W. Crabtree (2); A. C. D. Crommelin (2)
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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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