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unknown - Public Domain
Antonio Esteban Frías - Public Domain
Original uploader was Kubigula - Public Domain
Unknown/from Washingtoniana Division, D.C. Public Library - Public Domain
Italian government - Public Domain
SPC 5 James Cavalier, US Military - Public Domain
Unidentified (Ensian published by University of Michigan) - Public Domain
Gilbert Stuart - Public Domain
Associated Students, University of California, Los Angeles - Public Domain
Taher12112 - CC BY-SA 4.0
Israel Government Press Office - Public Domain
Public Domain
Deane Keller - Public Domain
Fotoarchiv Slezského zemského muzea - CC BY-SA 3.0
Pigsonthewing - CC BY-SA 3.0
United States Congress - Public Domain
John Bradley Winslow (1851-1920), author. T. H. Flood & Company (Chicago, IL), publisher. - Public Domain
Aaabdolrashidi - CC BY-SA 4.0
Unidentified photographer for Bassano Ltd - Public Domain
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Mengs, Anton Raphael, 1728-1779
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unknown - Public Domain
Boss, Lewis, 1846-1912
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Root, Elihu, 1845-1937
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Antonio Esteban Frías - Public Domain
Brión, Luis, 1782-1821
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Original uploader was Kubigula - Public Domain
Mann, William Hodges, 1843-1927
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unknown - Public Domain
Lorenz, Adolf, 1854-1946
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Unknown/from Washingtoniana Division, D.C. Public Library - Public Domain
Scidmore, Eliza Ruhamah, 1856-1928
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Italian government - Public Domain
Roatta, Mario, 1887-
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SPC 5 James Cavalier, US Military - Public Domain
Mitterrand, François, 1916-1996
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Deignan, H. G. (Herbert Girton), 1906-
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unknown - Public Domain
Cotillo, Salvatore A. (Salvatore Albert), 1886-1939
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Krag, Vilhelm, 1871-1933
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Unidentified (Ensian published by University of Michigan) - Public Domain
Piaget, Jean, 1896-1980
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Gilbert Stuart - Public Domain
Rivera, Jacob Rodriguez, 1717-1789
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Associated Students, University of California, Los Angeles - Public Domain
Cressey, Donald R. (Donald Ray), 1919-1987
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Taher12112 - CC BY-SA 4.0
Kofman, Sarah
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Israel Government Press Office - Public Domain
Kojo Botsio, 1916-2001
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Public Domain
Van Vorhes, N. H. (Nelson Holmes), 1822-1882
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Carter, Stephen L., 1954-....
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Deane Keller - Public Domain
Kelly, Colin Purdie, 1915-1941
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unknown - Public Domain
Messimy, Adolphe, 1869-1935
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Fotoarchiv Slezského zemského muzea - CC BY-SA 3.0
Bezruč, Petr, 1867-1958
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Pigsonthewing - CC BY-SA 3.0
Greenberg, Joshua M.
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United States Congress - Public Domain
Mucarsel-Powell, Debbie, 1971-
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Public Domain
Schwab, Michael, 1853-
Image from Wikimedia Commons
John Bradley Winslow (1851-1920), author. T. H. Flood & Company (Chicago, IL), publisher. - Public Domain
Hubbell, Levi, 1808-1876
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Xuanzang, approximately 596-664
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Barbaro, Marc'Antonio, 1518-1595
Image from Wikimedia Commons
Aaabdolrashidi - CC BY-SA 4.0
Avery, Peter, 1923-2008
Image from Wikimedia Commons
Unidentified photographer for Bassano Ltd - Public Domain
Devonshire, Deborah Vivien Freeman-Mitford Cavendish, Duchess of, 1920-