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United States Congress - Public Domain
Lock & Whitfield - Public Domain
Public Domain
Civil War Glass Negatives - Public Domain
unknown - Public Domain
Gangulybiswarup - CC BY 3.0
anonymous - Public Domain
Major J.S. Matthews - Public Domain
Zegilbos - CC BY-SA 3.0
Carlo de Fornaro - Public Domain
Wontknow - Public Domain
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United States Congress - Public Domain
Kerrey, Robert, 1943-
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Lock & Whitfield - Public Domain
Soldene, Emily, 1838?-1912
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Public Domain
Tiffin, Edward, 1766-1829
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Ashmead, William H. (William Harris), 1855-1908
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Civil War Glass Negatives - Public Domain
Cowdin, Robert, 1805-1874
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Wrigley, William, 1861-1932
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Johnson, William H., 1901-1970
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Cardarelli, Vincenzo, 1887-1959
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Yvon, Adolphe, 1817-1893
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unknown - Public Domain
Cox, Richard, 1650-1733
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unknown - Public Domain
Crawford, S. J. (Samuel Johnson), 1835-1913
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Public Domain
Wagner, Cosima, 1837-1930
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Gangulybiswarup - CC BY 3.0
Chaudhuri, Amit, 1962-....
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Pizzetti, Ildebrando
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Coulter, John Merle, 1851-1928
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unknown - Public Domain
Pinklao, King of Siam, 1808-1865
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unknown - Public Domain
Amsterdam, Morey
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Schmidt, Paul, 1899-1970
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anonymous - Public Domain
Parker, Charles W. (Charles Wolcott), 1862-1948
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unknown - Public Domain
Small, Albion W., 1854-1926
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Major J.S. Matthews - Public Domain
Mackay, Isabel Ecclestone, 1875-1928
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Dorsheimer, William, 1832-1888
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Matta-Clark, Gordon, 1943-1978
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Tumulty, Joseph P. (Joseph Patrick), 1879-1954
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Zegilbos - CC BY-SA 3.0
Delanoë, Pierre
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Boutwell, George S. (George Sewall), 1818-1905
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Farrell, James T. (James Thomas), 1904-1979
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Ziegfeld, Patricia, 1916-2008
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Carlo de Fornaro - Public Domain
Belmont, Oliver H. P. (Oliver Hazard Perry), 1858-1908
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Wontknow - Public Domain
Sargsyan, Karen, 1973-