Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[R. D. McAllister; Rev. Martin F. McCarthy, S. J.; J. McChesney; W. S. McClenahan {incl ltr WSM to MLHumason}; E. S. McCluskey; William H. McCrea; Andrew McKellar; Thomas W. McKnew {c.ltr TWM to MacQueen Film Organisation Ltd.}; Edwin M. McMillen; Emilio I. Maluff; T. A. Margerison; William Markowitz {incl ltr TWGray to ISB; ltr R. Glenn Hall to ISB}; Pelio Marrani; Sister Mary Therese, B. V. M.; John Ingmar Maspers; Leo Mattersdorf; Samuel W. Matthews; Thomas A. Matthews]
Bowen
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Additional Formats
[Dean B. McLaughlin; Mary Macphee; Oscar S. Marshall; M. R. Marston {incl 1 ltr MRM to Bruce Rule; 1 copy ltr RRMcMath to MRM}; Max Mason; Margaret W. Mayall; Nicholas Mayall {incl 1 copy ltr NM to R.Minkowski; 1 copy ltr NM to MLHumason}; William F. Meggers {incl copy mss "Designation of Miscellaneous Atomic Energy Levels," by Charlotte E. Moore & "Notes on Spectroscopic Notation," by H.N.Russell}; Aden B. Meinel {incl 1 photo of Infrared spectrum of night sky}; Donald H. Menzel {incl 1 copy ltr DHM to J.J.Nassau}; J. Glenn Menzel {incl 1 ltr JGM to Harley Marshall}; Madeline Gwynne Merchant; Orren C. Mohler; Phil Morgan; Thomas F. Murray]
Bowen
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Additional Formats
[C. M. McCloskey; C. S. McDowell; Thomas W. McKnew {incl 1 copy ltr TWM to LADuBridge}; Dean B. McLaughlin {incl 1 ltr ISB to Athenaeum}; Andrew M. McMahon; Robert C. McMaster; J. H. McMillen; H. P. McPhail {incl 1 ltr RAMillikan to ISB}; John Maloney; Harry E. Maloy, Jr.; Jakob Mandelker; G. E. Manville {Grubb-Parsons. Incl 1 copy ltr GEM to GVMacauley}; Harley C. Marshall {1 copy ltr EESlowter to HCM}; R. R. Martel]
Bowen
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Additional Formats
[D. C. Martin; Stuart T. Martin {WCAX-TV, Burlington, Vt.}; Sister Mary Therese, B.V.M.; Massachusetts Institute of Technology {Mrs. Betty Robinson}; H. S. W. Massey; Dan S. Mathewson; Nicholas U. Mayall; Anthony Jack Meadows {incl c.ltr AJM to GKeller; ltr GCMcVittie to ISB}; William F. Meggers; Alan S. Meltzer; Darby Merrill]
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
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Additional Formats
[Deane J. McAlister {incl 1 memo George Hall to ISB}; W. H. McCrea; Thomas W. McKnew; R. A. Marsh; Ernest Martin; Nicholas Mayall; Aden Meinel; G. Merton {incl.ltr William A. Kinney to ISB}; Walter C. Michels {w/ ms. on "The Speed of Light and Cosmic Time"}; Roswell Miller; William C. Miller; E. A. Milne; H. L. Milner (or Milbrer?); George S. Monk; Walter Howard Moore; W. W. Morgan {to P. W. Merrill, note on ltr to from PWM to ISB}; Willy H. Mühle (incl 1 transl. by F. F. Frederick; 1 ltr held together by transparent tape}]
Bowen