Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[John B. Rogerson, Jr.; Charles E. Roos; J. Rösch{incl c.ltr WABaum to JR; ltr JR to WABaum}; Moe William Rosen {c.ltr MWR to Robert Leighton}; The Rosicrucian Order {Rodman R. Clayson}; S. Rosseland {c.ltr HWBabcock to SR}; H. J. Roth; Royal Astronomical Society; Royal Greenwich Observatory; E. C. Rubridge; Stephen Rudin; John A. Russell; Paul R. Russell]
Bowen
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Additional Formats
[John F. Reback; R. O. Redman; F. O. Rice; Paul H. Roberts; Walter Orr Roberts {incl c.ltr WOR to HWBabcock}; H. P. Robertson {c.ltr ARSandage to HPR}; Hans Roth; Paul McRae Routly; Royal Astronomical Society; Albert B. Ruddock; John A. Russell {incl c.ltr JAR to FZwicky; ltr FZwicky to JAR}]
Bowen
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Additional Formats
[Kalervo Rankama; Arnold T. Ratzlaff {postcard Vernon W. Janney to ATR}; Mina Rees {c.2 ltrs MR to OStruve}; Roger Revelle; Alfred N. Richards {president, NAS}; Martin Roberts; Walter Orr Roberts; Ethel Rogers; Alfred Romer; Elihu Root, Jr. {incl ltr SCallaway to ISB}]
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
[John D. Schopp; D. W. Sciama; Lewis L. Scott; Howard S. Seifert {Space Technology Laboratories}; J. L. Sersic {incl 2 ltrs Raul Luis Cardon to ISB; ltr ISB to RLCardon; folded; comment HCArp to ISB}; Carl Seyfert, Jr.; Alan Horace Shapley; Harlow Shapley; Fred Siegler; William M. Sinton {incl c.ltr HWBabcock to WMS}]
Bowen
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Additional Formats
[Bo Maung {crank}; Mrs. Margaret W. Mayall {incl c.ltr ISB to Mark Howarth}; L. G. Melville {incl c.ltr LAD to LGM; memo Edythe Baker to ISB}; Armando Mencía; Betty R. Mensack; Mrs. Mary Louise Black Menschel; John E. Merrill; Metachem, Inc. (U. Heubaum}; Gerhard R. Miczaika; M. V. Migeotte {incl c.ltr HWBabcock to MVM}; Rev. Walter J. Miller, S. J.; Orren C. Mohler; George W. Morey {incl ltr ISB to E. S. Farrow}; Louis F. Muller, Jr.; Luis Münch {incl c.ltr LAD to LM}]
Bowen