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
[George V. McCauley (3); Walter Machota, Jr. (2); T. C. Mansfield (4); ? Marshall (1); J. R. Meadows (2); Per Melin (2); Gerald Merton (3); Orren Cuthbert Mohler (3)]
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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Additional Formats
[J. Howard McMillen {NSF -re SYCh'en}; Frank J. McMullen; D. H. McNamara {incl ltr DHMcM to OCWilson; c.memo JLGreenstein to ISB}; E. J. Macomb; Sister Mary Therese, BVM; Robert Arthur Matthews {incl ltr written by RAM under pseudonym "Robert Florey"}; Thomas A. Matthews; D. M. May; N. U. Mayall; Donald H. Menzel {incl c.ltr OStruve to DHM; c.ltr OStruve to James Marshall; c.ltr DHM to David McK. Key; c.ltr ARSandage to DHM; c.ltr DHM to LSpitzer}; Paul W. Merrill; l. Mestel; G. R. Miczaika; William C. Miller; M. Minnaert; Alvin L. Mitchell; Henry Allen Moe; Orren C. Mohler; George W. Morey; William Wilson Morgan]
Bowen
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Manuscripts
G. Kent McCauley (2); Duncan E. Macdonald (2); Mrs. Elizabeth McGaffey (2); McGraw-Hill Book Co., Inc. (2); Andrew McKellar (1); Robert Raynolds McMath (19); The MacMillan Co. (3); Mrs. Allison Marti (1); L. A. Matheson (1); John Campbell Merriam (2); Meteorological Ofice, South Kensington, London (1); Meteorological Office, Stonehouse, Gloucestershire (1); William Ferdinand Meyer (1); John T. Middleton (2); George Wilber Moffitt [re Optical Society of America] (8); Mrs. A. T. Monk (2); Paul Mooney (1); William D. Morgan (7)
mssPettit 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