Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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[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
[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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[S. Dave Babbitt {KYW Radio 1100, Cleveland, Ohio}; Horace W. Babcock; William A. Baum {c.ltr WAB to Terry P. Roark; c.ltr WAB to MATuve; c.ltr WAB to Helen Russell; mss. "Short Magnetic Lenses," by WAB}; E. A. Beet; Hugo Berks; Bart J. Bok; John G. Bolton {incl memo MSchmidt to ISB}; Edmund A. Bouque; John Brewer; Kenneth S. Brown; Sala Bruno; Vaclav Bumba {ltr Adele M. Smith (Inst. Intern. Educ.) to ISB; ltr Frank G. Siscoe (dept. of State) to ISB}]
Bowen
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[Mina Rees; P. J. van Rhijn; John Ribbe; Franklin Evans Roach {incl request for confidential info from Conference Board of Association of Research Councils-Committee on International Exchange of Persons to ISB; 1 ltr ISB to above; 1 copy ltr FER to MATuve; 1 tlgm G.I.Rayburn to ISB; 1 attached note of return tlgm ISB to GIR}; Aubrey S. Robb; Morton S. Roberts; Walter Orr Roberts; H. P. Robertson; L. Rosino {1 copy ltr LR to MLHumason; 1 copy ltr MLHumason to LR}; F. E. Ross {1 copy memo to ISB on "Scale and Focal Length of the 200" Mirror}; Philip Ruskin; Fred A. Russell]
Bowen
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Additional Formats
[Edna Wadsworth {RAS}; Merle F. Walker {incl memo from WBaade on MFW's research proposal; general memo FAYoung to ISB; ltr John W. Evans to ISB; ltr ISB to JWEvans; ltr HAMoe to ISB}; Å. Wallenquist {incl 2 photos}; Alan T. Waterman {NSF}; Earnest C. Watson; Harold Weaver; Jan Weyssenhoff; Albert E. Whitford{incl c.ltr AEW to WABaum; c.ltr AEW to ECNichols}; Charles A. Whitney {incl ltr CAW to JLGreenstein}; Paul Wild; H. P. Wilkins {incl ltr JQGant,Jr to ISB}; W. D. & H. O. Wills (Australia), Limited {G. O. Ingledew}; Albert G. Wilson{incl c.ltr JLGreenstein to AGW}]
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Additional Formats
[Claus Oesterwinter; Alfred Olmstead; Jan H. Oort {incl ltr OStruve to ISB; c.ltr OStruve to JHO}; P. Th. Oosterhoff {incl memos on project for a European observatory in southern hemisphere}; Donald E. Osterbrock{incl ltr ISB to MLHumason; ltr ISB to GOAbell}]
Bowen