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joespake - CC BY 2.0
Vernissagefan - CC BY 3.0
Warren (Pennsylvania) Library Association. - Public Domain
Félix Nadar - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Georges Biard - CC BY-SA 3.0
unknown - Public Domain
United States Senate - Public Domain
Public Domain
Phelps Studio, 1148 Chapel St., New Haven, Conn. - Public Domain
Arz - Public Domain
Sally Hodgson - Public Domain
Moshe Milner - Public Domain
Universal Studios - Public Domain
Metro-Goldwyn-Mayer - Public Domain
U.S. Air Force - Public Domain
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joespake - CC BY 2.0
Riley, Billy Lee
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Gaxton, William
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Meyer, Kuno, 1858-1919
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Breckinridge, Robert J. (Robert Jefferson), 1800-1871
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Ogier, Bulle, 1939-....
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Vernissagefan - CC BY 3.0
Mack, Heinz, 1931-....
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Matthisson, Friedrich von 1761-1831
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Lamas, Lorenzo
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Warren (Pennsylvania) Library Association. - Public Domain
Hazeltine, Abner, 1793-1879
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Félix Nadar - Public Domain
Regnault, Alice, 1849-
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Mathew Brady Levin Corot Handy - Public Domain
Clayton, Charles, 1825-1885
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Georges Biard - CC BY-SA 3.0
Karyo, Tchéky, 1953-
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unknown - Public Domain
Bowes, Andrew Robinson Stoney, 1747-1810
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United States Senate - Public Domain
Long, Russell B.
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Public Domain
Hall, Ben, -1865
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unknown - Public Domain
Arnoldson, Sigrid, 1861-1943
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Gálvez, Matías de, 1717-1784
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unknown - Public Domain
Woolsey, Theodore Salisbury, 1852-1929
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Phelps Studio, 1148 Chapel St., New Haven, Conn. - Public Domain
Cook, Albert S. (Albert Stanburrough), 1853-1927
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Public Domain
Noort, Olivier van, 1558 or 1559-1627
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Harlan, Kenneth, 1895-1967
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Arz - Public Domain
Venclova, Antanas, 1906-1971
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Sally Hodgson - Public Domain
Bellamy, Carol, 1942-
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Moshe Milner - Public Domain
Peretti, Achille, 1911-1983
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Universal Studios - Public Domain
Whale, James
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Zorrilla, José, 1817-1893
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unknown - Public Domain
Cavendish, Ada, 1839?-1895
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Metro-Goldwyn-Mayer - Public Domain
Babcock, Barbara, 1937-
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Carmichael, J. W. (John Wilson), 1799-1868
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U.S. Air Force - Public Domain
Partridge, Earle E. (Earle Everard), 1900-1990