Manuscripts
P -- miscellaneous
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P -- miscellaneous
Manuscripts
[Pasadena Chamber of Commerce (1); Pasadena City Hall, Personnel Dept. (re Mr. Herndon) (1); Cecilia Helena Payne-Gaposchkin (2); Gordon R. Pennington (6); Mrs. George F. Perry (2); Popular Mechanics (2)]
mssHumason papers
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R -- miscellaneous
Manuscripts
[Luis Rodés, S.J. (2); Paul E. Ruch (3)]
mssHumason papers
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P -- miscellaneous
Manuscripts
[Cecilia Helena Payne-Gaposchkin (2); William Henry Pickering (3); Daniel M. Popper (2); Popular Astronomy (Curvin Henry Gingrich) (14)]
mssHumason papers
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P -- Miscellaneous
Manuscripts
Edwards A. Park (2); The Peruvian (1); Greenleaf Whittier Pickard (3); Edward F. Pigot, S.J. (4); John Stanley Plaskett (1); Aldo Pontremoli (2); Popular Astronomy (2); Irwin Gillespie Priest (10); J. C. du Pui (2)
mssPettit papers
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P -- MISCELLANEOUS CORRESPONDENCE [23]
Additional Formats
[Hans P. Palenius; Archie M. Palmer; Edmund N. Parker {A. B. Sanderson & Co., Ltd}; Pasadena City College {Catherine J. Robbins}; E. T. Pearson {KPNO + 2 photos & mss. "Optical Tests and Adjustments of the 200-Inch Hale Telescope," & "Accuracy," by ISB}; Jean-Claude Pecker; John G. Phillips; Physics Today {Sheila R. Vider}; A. Keith Pierce; John E. Pomfret; Willard Pressnalle]
Bowen
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P -- MISCELLANEOUS (Perkin-Preston) [31]
Additional Formats
[Richard S. Perkin; Perkin-Elmer Corp. {Ennis B. Warren}; R. M. Petrie {incl c.ltr HWB to RMPetrie}; Petroleum Today {Libby Watterson}; David Josemi Pfaltzgraff; Photographic Society of Virginia {H. H. Hevenor}; Physics Today {Barbara Strell}; S. B. Pikelner; Daniel M. Popper; Popular Science Monthly {Wesley S. Griswold}; Joseph Francis Power; Prentice-Hall, Inc {Walter E. Langsam}; George W. Preston]
Bowen