Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Kalervo Rankama; Arnold T. Ratzlaff; R. O. Redman {incl c.ltr HWBabcock to ROR}; Donald E. Richeson; F. Rigaux; Mrs. E. M. Roberts; Walter Orr Roberts {incl c.ltr HWBabcock to WOR}; W. J. Robinson; John B. Rogerson, Jr. {incl c.ltr HWBabcock to JBR}; Nancy G. Roman; Judith Rook {incl ltr Margaret Garrett {RAS} to ISB; ltr ISB to AHunter}; Bruce H. Rule {c.ltr BHR to Francis E. Dart}; Campbell Rutledge, Jr.]
Bowen
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Additional Formats
[A. S. Ramanathan; RAND Corporation {E. C. Heffern}; Siegfried H. Reiger {RAND}; Ringier Swiss Illustrated {D. Culver}; Alexander W. Rodgers; L. Rosino; Albert E. Ross; Svein Rosseland {c.ltr HWB to SR}; Royal Astronomical Society; Albert B. Ruddock; Allan M. Russell; Paul R. Russell; Martin Ryle{incl c.ltr GJStanley to MR}]
Bowen
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Additional Formats
[Denis Feck {c.ltr Mrs. Rose Blyth to DF}; Charles Federer, Jr.; Jacques Feige {incl ltr ISB to FZwicky}; George J. Feldman {US House of Representatives}; Thomas A. & Timothy Ferris; Mrs. Dolores Field {Rand McNally & Co.}; Fish-Schurman Corporation {Murray Yawitz}; Eric G. Forbes {incl c.ltr HWBabcock to EGF}; William Stanton Foulks, Jr.; Herbert Friedman]
Bowen
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Additional Formats
[Incl c.ltr AB to ABMeinel; c.ltr CAFederer,Jr. to AB; c.ltr AB to CAFederer; c.3 ltrs AB to FZwicky; c.2 ltrs FZwicky to AB; c.ltr AB to Emil Herzog]
Bowen
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Additional Formats
[Charles A. Whitney; Uco van Wijk {incl ltr LSpitzer to ISB; ltr ISB to LSpitzer; c.ltr JLGreenstein to UvW}; H. P. Wilkins; Albert G. Wilson; Charles E. Wilson {c.ltr LWJones to CEW re FZwicky}; Edwin B. Wilson; Ralph E. Wilson; Gérard Wlérick; R. v. d. R. Woolley {incl ltr ISB to Athenaeum}; Jerome Wyckoff]
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