Manuscripts
H -- miscellaneous
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H -- miscellaneous
Manuscripts
[W. S. Harmon Co. (1); Kenneth A. Harvey (2); The Haskin Service (4); Reed Leroy Hilton (2); Hayden Planetarium (Robert R. Coles) (3); Edwin B. Heaford (2); W. P. Heath, Jr. (5); Byron A. Hill (4); Henry Holt and Company, Inc., Publishers (2); James Dryden Hosken (3); Houghton Mifflin Company (1); William S. Huber (3); A. M. Hudson (2); Don Hughes (2); William W. Huse (1)]
mssHumason papers
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H -- miscellaneous
Manuscripts
[Wayne Harbour (2); Susan Harper (2); Albert J. Harrison (3); David Hart (2); Lud. Hebeier (3); Karl Herndon (1); Cedric E. Hesthal (2); Mrs. Daisy M. Hill (2); Amos H. Hoff (2); Gerald J. Holton (1); Lewis Howard (2); H. R. Howell (2); Walter J. Howell (2); Grace (Mrs. Edwin P.) Hubble (1); Charles Morse Huffer (2)]
mssHumason papers
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H -- miscellaneous
Manuscripts
[Evelina (Mrs. George Ellery) Hale (1); Harvard College Observatory Library (1); The Haskin Service (2); D. C. Heath and Co. (5); Cedric E. Hesthal (1); Elmer H. Hunt (4); Dick Hyland (2)]
mssHumason papers
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P -- miscellaneous
Manuscripts
[Pasadena Chamber of Commerce (1); Pasadena City Hall, Personnel Dept. (re Mr. Herndon) (1); Cecilia Helena Payne-Gaposchkin (2); Gordon R. Pennington (6); Mrs. George F. Perry (2); Popular Mechanics (2)]
mssHumason papers
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H -- miscellaneous
Manuscripts
[Eugene L. Hancock (1); Arthur T. Harvey (2); Arthur Holden (2); Robert E. Holzer (1); Roy M. Hubel (2)]
mssHumason papers
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P -- miscellaneous
Manuscripts
[Palomar Mountain Stages (1); Brother Thomas R. Paquet (2); Judson L. Parker (4); C. E. Payne (2); Physics Today (1); Norbert Polet, S.J. (2)]
mssHumason papers