Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Samuel D. Oelrich; Gary W. Ogle; O'Melveny & Myers {1 ltr O&M to George W. Green}; Jan H. Oort {incl 1 copy ltr Bruce Rule to JHO}]
Bowen
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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
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Additional Formats
[Madeline Ochsé; G. J. Odgers {incl ltr RMPetrie to ISB; ltr GJO to OCWilson; c.ltr OCWilson to GJO}; John L. Odom; Office of Naval Research; Yngve öhman {incl c.ltr HWBabcock to Yö}; Jan H. Oort {incl c.ltr JHO to CPH}; P. Th. Oosterhoff; Ygnacio A. Ortiz {folded}; T. G. Ostrom]
Bowen
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Additional Formats
[Douglas G. O'Brien {Corning Glass Center}; G. J. Odgers; Stephen O'Donnell {& Irving D. Hirschfield}; Ruth Oedin; Richard Ogden; Yngve öhman {c.ltr HWBabcock to Yö}; J. B. Oke; Frank O'Malley; Jan H. Oort {incl c.ltr JWB to JHO; c.ltr JHO to Henry T. Heald; c.ltr WCMiller to JHO}; P. Th. Oosterhoff; Optical Society of America {Wallace R. Brode}; Dwayne Orton {Think magazine}; Mabel Romero de Osnovikoff; Donald E. Osterbrock]
Bowen
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Additional Formats
[G. J. Odgers; Office of Naval Research; Sozo Okada {Tokyo Cinema Co., Inc.}; Jan H. Oort {c.ltr JHO to GMünch; memo GMünch to ISB}; Pieter Theodorus Oosterhoff {incl c.ltr Elizabeth P. Lam to ISB}; Donald E. Osterbrock]
Bowen
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Additional Formats
[Arnold Oettel; Office of Naval Research; Sozo Okada; J. H. Oort {incl c.ltr Gerald F. W. Mulders to JHO}; P. Th. Oosterhoff {incl c.ltr WABaum to PTO; c.ltr HWB to PTO}; Optical Society of America {Kasson S. Gibson}; Optical Society of Southern California; Martha Ortlieb {Macmillan Co}; Donald E. Osterbrock {incl 2 ltrs Henry Allen Moe to ISB}]
Bowen