Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Heinz Haber {Nord-und Westdeutscher Rundfunkverband}; John S. Hall; Robert Hardie {re CKSeyfert}; R. W. Harrison, Jr.; Jacob F. Hartman; Harvard College Observatory; Margaret Harwood; John F. Heard {incl c.ltr JFH to Don E. Davidson}; O. Heckmann]
Bowen
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Additional Formats
[Y. Hagihara {incl ltr Hiroshi Kubota to ISB}; Leo Hanzione; Guillermo Haro; Daniel E. Harris; Harvard College Observatory; The Haskin Service {M. Goodrich}; Gerald S. Hawkins; C. H. Hayslett; H. Lawrence Helfer {incl c.ltr LAD to HLH}; Donald O. Hendrix {incl c.ltr DOH to Edwin F. Carpenter}; Barklie McKee Henry; C. J. Heyboer {folded}; Hall L. Hibbard]
Bowen
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Additional Formats
[James Haffey; G. P. Haight, Jr.; Ray Halloran; Harcourt, Brace & World, Inc. {Joan P. Howell}; Guillermo Haro; John F. Heard {+ photo}; Otto Heckmann; Robert F. Heilbron {American Field Service --incl ltr RFH to BAHill}; H. Lawrence Helfer {c.ltr HLH to WCMiller}; George H. Herbig; Judith Lauren Herr; William A. Hiltner {incl c.ltr Arne Slettebak to WAH}]
Bowen
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Additional Formats
[J. Vern Hales; Andrew Hamilton; Robert H. Hardie; Guillermo Haro; William A. Hatt; Sherwood K. Haynes; H. Martin Hays; John F. Heard; Barklie McKee Henry; George H. Herbig; Mrs. Dorothy Hicks; William A. Hiltner; August Hoffmann; Hermine Holler; Michael A. Hoskins {c.ltr HWB to MAH}; Richard G. Huzarski]
Bowen
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Additional Formats
[John S. Hall {incl c.ltr MLHumason to JSH}; Ian Halliday; Eugene Hancock; Charles E. Harding, Jr. {crank}; Leita A. Harmon; William S. Healey; O. Heckmann; Karl G. Henize {incl ltr ISB to EBB}; Barklie Henry; Molly Henshaw]
Bowen
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Additional Formats
[Y. Hagihara; John S. Hall; Warren J. Hall { MLHumason [?]}; Roswell G. Ham; Paul Hance, Jr. {incl copy ltr MLHumason to PH}; E. L. Hancock; Arthur C. Hardy; Leita A. Harmon; Guillermo Haro; Harvard Observatory {ephemera}; John F. Heard; O. Heckmann; Rollin D. Hemens; Herbert Henstock; Bruno Herscovici]
Bowen