Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Grace Hawk; Walter S. Heller; Donald O. Hendrix; Joseph Q. Heplar; George H. Herbig; Paul Herget; Samuel Herrick, Jr.; Hilger & Watts, Ltd. {J. W. Perry}; Byron Hill; W. A. Hiltner {incl c.ltr BHRule to WAH; c.ltr WAH to BHRule}; Edison R. Hoge; A. R. Hogg; Leo Hollenberg; Alice W. Hood; Hubert V. Hopkins; Inga Howard; Edwin P. Hubble; Grace Hubble; Milton L. Humason; W. S. Huxford; J. A. Hynek]
Bowen
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Additional Formats
[Josephine W. Herrick; Byron Hill {incl memo BH to JMiller; ltr Robert F. Heilbron to BH; ltr ISB to RFHeilbron}; W. A. Hiltner; Yasuji Hirota; Arthur A. Hoag; C. Hoffmeister; W. L. Holladay; J. Houtgast {c.ltr MMinnaert to ISB}; Eskil Hultin; J. Allen Hynek {incl c.ltr JAH to Lubos Perek}]
Bowen
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Additional Formats
[Byron Hill {incl c.ltr Photo Lab (Mt. Wilson) to BH}; W. A. Hiltner; Erik Holmberg; Robert E. Holzer; Edwin P. Hubble; C. M. Huffer; M. L. Humason; J. Allen Hynek {incl ltr PWMerrill to JAH}]
Bowen
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Additional Formats
[Alvin S. Haag; Bill Hale; George Hall {incl copy memo Byron Hill to GH}; L. A. Hall; Leita Harmon; Guillermo Haro; John W. Harrington; Leonard Harrison; Teiho Hashida; Takeo Hatanaka; Otto Heckmann; Barklie Henry {incl copy ltr BH to Walter S. Gifford; ltr PAS to BH; copy ltr BH to PAS}; George H. Herbig]
Bowen
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Additional Formats
[C. Hoffmeister {folded}; David E. Hogg; Wilson Hole {c.ltr WCMiller to WH}; Erik Holmberg; Holt, Rinehart and Winston, Inc {Nathan F. Twinning; Richard C. Young}; Robert F. Howard {incl c.ltr HWB to RFH}; J. Allen Hynek]
Bowen
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Additional Formats
[George H. Herbig {incl c.ltr OCWilson to GHH}; Paul Herget; Samuel Herrick, Jr. {incl ltr re DPopper}; U. Heubaum; Joseph O. Hickox {incl ltr JOH to John --}; Byron Hill {incl ltr ISB to David M. Dunne}; L. B. Hitchcock {incl c.ltr LBH to RRMcMath}; J. E. Hobson {incl ltr ISB to Fred Lindvall}; Fred Hoyle; Edwin P. Hubble {Obit which appeared in Director's Annual Report for 1953-1954}; Fernando P. Huberman {incl ltr ISB to Duane Roller}; H. C. van de Hulst; Milton L. Humason]
Bowen