Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Manuscripts
[Elizabeth McClellan (2); Edward P. MacDonald (2); The Macmillan Co. (1); W. G. Mandzuk (2); Sister Mary Therese, B.V.M. (5); Maryland Academy of Sciences (2); John B. Mast (2); D. Bruce Mathewson (2); Elizabeth Maxwell (2); V. B. Meen (2); Paul Willard Merrill (re Ralph Wilson) (1); Gerald Merton (2); Harcourt S. Middleton (4); Orren Cuthbert Mohler (1)]
mssHumason papers
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Manuscripts
[Rev. Kenneth J. MacLennan (2); Kim Malville (2); Friedrich Martinez (3); Erwin Marx (4); Maryland Academy of Sciences (1949 Graphic Time Table of the Heavens) (2); Alexander Matthews (2); Harold Mendelsohn (Twentieth Century-Fox Film Corp.) (2); Harcourt S. Middleton (2); The Minneapolis Star and The Minneapolis Tribune(Charles McFadden) (2); Orren Cuthbert Mohler (1); Mary Musser (2)]
mssHumason papers
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Manuscripts
[R. D. McAllister (2); John B. McGrew (3); George Marsden (3); Maryland Academy of Sciences (4); Paul Megan (2); Paul Willard Merrill (1); Herbert W. Meyer (2); Orren C. Mohler (1); Moody Institute of Science (F. Alton Everest) (2)]
mssHumason papers
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Additional Formats
[Donald H. Menzel {1 item w/ 3M tape}; Gerald Merton; George W. Michaelec; A. R. Michaelis; Max B. Miller; S. A. Mitchell; Orren C. Mohler; John Montgomery; Thomas J. Moore; George W. Morey {incl copies 2 ltrs Don O. Hendrix to GWM}; Don Mundy; A. G. Munro {Aetna Casualty & Surety Co.}; Walter Muranke; Violet B. Mutschler]
Bowen
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Additional Formats
[Gerald Merton; Mexican Astronomical Society {F. Aubert. Incl ltr ISB to Jose Rios del Rio}; Barbara Middlehurst{incl ltr BM to MLHumason}; William C. Miller {incl. c.ltr Knight L. Harris to WCM; c.ltr WCM to KLHarris}; R. Minkowski; M. Minnaert; O. K. Mitter {crank}; Orren Mohler; George S. Monk; William E. Mortrude {crank}]
Bowen
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Additional Formats
[McGraw-Hill Book Co., Inc. {Cooper R. McCarthy}; Colin MacLean {folded + 1 photo}; Joseph M. McNulty; Harley C. Marshall; Virganò Martino; Gian Ludovico Mazza; Aden B. Meinel; Clarence Menninga; Donald H. Menzel; Metromedia Inc. {John W. Kluge}; P. Milcoda {GAF}; William C. Miller {c.memo WCM to JLGreenstein}; A. G. Millikan {Kodak}; Walter E. Mitchell, Jr.; Orren C. Mohler; Bruce C. Murray; David F. Musto]
Bowen