Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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[C. G. Abbot; C. H. Adams {incl c.ltr Albert G. Ingalls to CHA}; L. H. Adams {incl ltr PWMerrill to LHA}; G. B. van Albada; Lawrence Aller; Dinsmore Alter; American Philosophical Society {L. P. Eisenhart}; J. A. Anderson; R. G. Anglin; A. Armitage; Robert H. Asher; R. d'E. Atkinson {2 folded}]
Bowen
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[George O. Abell; Fazal Ahmed; Lawrence H. Aller {incl ltr ISB to Athenaeum}; Dinsmore Alter; Mahmoud K. Aly {folded; incl c.ltr LAD to MKA}; American Association for the Advancement of Science; American Astronomical Society {J. Allen Hynek}; R. Ananthakrishnan {folded}; Oscar Arnal; Halton Christian Arp; The Austin Company {Walter E. Hagen}]
Bowen
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[George O. Abell; K. D. Abhyankar; Edward A. Ackerman {CIW}; J. L. Albright, Jr.; Harold L. Alden; H. R. Aldrich {c.ltr Ian Campbell to HRA}; Lawrence H. Aller; Dinsmore Alter {incl c.ltr AGWilson to DA; ltr Eric Durand (Aeronautic Systems, Inc.) to ISB]
Bowen
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Additional Formats
[C. G. Abbot; R. H. Abernethy; Giorgio Abetti; Joseph S. Adam; L. H. Adams; Lawrence H. Aller {incl ltr LHA to RMinkowski; ltr LGoldberg to ISB}; Air Force Cambridge Research Laboratory {Milton Greenberg}; Air Materiel Command Headquarters {George W. Goddard}; H. R. Antle; George H. Armacost; Angus Armitage; Halton C. Arp; Oscar Ashworth; Athenaeum Committee {Leverett Davis, Jr.}; Gordon A. Atwater {incl ltr Fain White King to GAA}]
Bowen
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Additional Formats
[George O. Abell {incl memo JLGreenstein to ISB; c.memo JLG to RMinkowski, OCWilson, & ISB}; Philip H. Abelson; Helmut Arthur Abt {incl c.ltr OCWilson to HAA}; Leason H. Adams; Imam I. Ahmad; Harold Lee Alden; --Alexander; Lawrence H. Aller; Dinsmore Alter]
Bowen
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Additional Formats
[Alice M. Abeel; George O. Abell {Incl ltr John J. Krewalk to GOA; ltr Joseph L. Page to GOA; c.ltr GOA to JLPage}; Philip H. Abelson; H. J. M. Abraham; Helmut A. Abt; Victor H. Allen {Society of Motion Picture & Television Engineers}; Lawrence Aller; Dinsmore Alter {incl c.2 ltrs NAKozyrev to DA; c.ltr DA to NAKozyrev}; American Astronautical Society {Fernand F. Martin}; American Philosophical Society {William J. Robbins}; "Amigos de la Astronomia"; Barbara F. Ashton; Association of Universities for Research in Astronomy, Inc. {James M. Miller}; Athenaeum of Cincinnati {John Marshall Purcell}; Ernesto G. Auerbach; L. d'Azambuja]
Bowen