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Unknown, Brady-Handy Photograph Collection - Public Domain
Charles R. Cross - Public Domain
Public Domain
US Government Printing Office - Public Domain
Tony Sarg - Public Domain
Studio G. L. Manuel frères - Public Domain
unknown - Public Domain
Keithphilpott - Public Domain
Boston Globe - Public Domain
user at project - Public Domain
original uploader - Public Domain
NASA - Public Domain
Saviel - CC BY-SA 3.0
Gage Skidmore - CC BY-SA 3.0
w - Public Domain
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Unknown, Brady-Handy Photograph Collection - Public Domain
Linderman, H. R. (Henry Richard), 1825-1879
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Charles R. Cross - Public Domain
Crafts, James Mason, 1839-1917
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Smith, Charles Roach, 1807-1890
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Edgerton, Joseph K. (Joseph Ketchum), 1818-1893
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Weiss, F. E. (Frederick Ernest), 1865-1953
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Public Domain
Ashe, John Baptista, 1748-1802
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US Government Printing Office - Public Domain
Talcott, Burt L. (Burt Lacklen), 1920-
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Tony Sarg - Public Domain
Cobb, Irvin S. (Irvin Shrewsbury), 1876-1944
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Smith, Dick, 1922-
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Studio G. L. Manuel frères - Public Domain
Laskine, Lily
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unknown - Public Domain
Foote, Mary Hallock, 1847-1938
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unknown - Public Domain
Cowles, Anna Roosevelt, 1855-1931
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Keithphilpott - Public Domain
Picker, Tobias, 1954-....
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Caslon, William, 1693-1766
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Bauer, Hank, 1922-2007
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Boston Globe - Public Domain
Drum, Hugh Aloysius, 1879-1951
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Comiskey, Charles A.
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Granger, Stewart, 1913-1993
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unknown - Public Domain
Iglesias, Pablo, 1850-1925
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Craig, May, 1889?-1975
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unknown - Public Domain
Lavia, Gabriele
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user at project - Public Domain
Brown, Bob, 1944-
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Boyer, Myriam
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Gentile, Giovanni, 1875-1944,
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original uploader - Public Domain
Gillmore, Margalo, 1897-1986
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Johnson, Francis, 1792-1844
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NASA - Public Domain
Gemini VI-A (Spacecraft)
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Saviel - CC BY-SA 3.0
Shutʹ, Vladislav, 1941-
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Gage Skidmore - CC BY-SA 3.0
Katz, Claudia
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w - Public Domain
Hebard, Grace Raymond, 1861-1936