Manuscripts
M -- Miscellaneous
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M -- Miscellaneous
Manuscripts
Daniel Trembly MacDougal (3); T. O. McGrath (2); Col. Majors (1); Ross W. Marriott (2); Donald Howard Menzel (10); Meteorological Office, Air Ministry (1); Joseph Haines Moore (4); Laird M. Morris (1)
mssPettit papers
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U -- Miscellaneous
Manuscripts
Die Umschau (2); University of California, University News Service (1); University of Chicago, Graduate School of Arts and Literature (2); University of Chicago Alumni Association (1)
mssPettit papers
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M -- miscellaneous
Manuscripts
[Duncan E. Macdonald (4); Donald Howard Menzel (2); Joseph Haines Moore (3)]
mssHumason papers
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E -- Miscellaneous
Manuscripts
Eastman Kodak Co. (2); Pio Emanuelli (3); Howard Erwood (2); Roger Shepherd Estey (1)
mssPettit papers
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B -- Miscellaneous
Manuscripts
Ren J Bache (3); Lloyd C. Bagby (4); Baker & Co., Inc. (3); George Banta Publishing Co. (1); Edward Emerson Barnard (1); Storrs Barrows Barrett (7); Bausch & Lomb Optical Co. (10); James G. Biddle (17); Paul Biefeld (4); Herbert Brownell (2); S. M. Brownell (1); Bertram Borden Boltwood (1); John A. Brashear & Co. [see J. B. McDowell Co.]; The Braun Corporation (1)
mssPettit papers
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U -- Miscellaneous
Manuscripts
U.S. Radium Corp. (1); Universal Radio & Research Co. (1); University of California, Southern Branch (1); University of Chicago (2)
mssPettit papers