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United States Senate Historical Office - Public Domain
eu - CC BY-SA 3.0
original uploader - Public Domain
unknown photographer - Public Domain
HstryQT - CC BY-SA 3.0
Civil War glass negative collection (Library of Congress). - Public Domain
... - Public Domain
unknown - Public Domain
not credited - Public Domain
Photographer unidentified - Public Domain
Xavier Martinez - Public Domain
Mathew Brady - Public Domain
Roferbia - CC BY-SA 3.0
unidentified photographer - Public Domain
Public Domain
Unknown - Public Domain
Walker Evans - Public Domain
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McAdoo, W. G. (William Gibbs), 1863-1941
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Perizonius, Jacobus, 1651-1715
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United States Senate Historical Office - Public Domain
Thomas, Jesse Burgess, 1777-1853
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eu - CC BY-SA 3.0
Azkue, Resurrección María de, 1864-1951
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original uploader - Public Domain
Rabl, Carl, 1853-1917
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Bourinot, John George, 1837-1902
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Nancarrow, Conlon, 1912-1997
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Merritt, Anna Lea, 1844-1930
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unknown photographer - Public Domain
Bloem, Jakobus Cornelis, 1887-1966
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HstryQT - CC BY-SA 3.0
Anderson, Maxwell Lincoln
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Civil War glass negative collection (Library of Congress). - Public Domain
Richardson, Israel Bush, 1815-1862
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... - Public Domain
Rinaldo d'Este, Duke of Modena and Reggio, 1655-1737
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Martin, James G. (James Grubbs), 1935-
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unknown - Public Domain
Kuznet︠s︡ov, N. G. (Nikolaĭ Gerasimovich), 1902-1974
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not credited - Public Domain
Elmy, Elizabeth C Wolstenholme, active 1881-1914, suffragette
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unknown - Public Domain
Watson, John, 1685-1768
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Photographer unidentified - Public Domain
Holmes, Mary Jane, 1825-1907
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Le Vau, Louis, 1612-1670
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Xavier Martinez - Public Domain
Martinez, Xavier, 1869-1943
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Hopper, De Wolf, 1858-1935
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Mathew Brady - Public Domain
Miles, William Porcher, 1822-1899
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Roferbia - CC BY-SA 3.0
Allison, Dorothy.
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unidentified photographer - Public Domain
Gág, Wanda, 1893-1946
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unknown - Public Domain
Palmgren, Selim
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Everhart, James B. (James Bowen), 1821-1888
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Public Domain
Tanjé, Pieter, 1706-1761
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Leslie, Bethel
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Unknown - Public Domain
Poulsen, Valdemar.
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Walker Evans - Public Domain
Agee, James, 1909-1955
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Scarpetta, Eduardo, 1853-1925