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Photographer not named. - Public Domain
unknown - Public Domain
:en:James Grant (author) - Public Domain
T. O'Connor Sloan - Public Domain
GFHund - CC BY 3.0
original uploader - Public Domain
artist unknown - Public Domain
Ei aberdeen - CC BY-SA 4.0
Thomas Eakins - Public Domain
Mathew Brady - Public Domain
Marcin Wichary - CC BY 2.0
University of Washington - Public Domain
U.S. Navy photo by Photographer's mate 2nd class Jason C. Winn - Public Domain
Photo by Friedman-Abeles, New York - Public Domain
Mass Communication Specialist 1st Class Chad J. McNeeley - Public Domain
Boungawa - CC BY-SA 4.0
unknown - CC BY-SA 4.0
BjornNitmoe - CC BY-SA 3.0
Public Domain
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Photographer not named. - Public Domain
Christensen, Lars, 1884-
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Gonzaga Colonna, Vespasiano, duca di Sabbioneta, 1531-1591
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unknown - Public Domain
Fieschi, Joseph, 1790-1836
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:en:James Grant (author) - Public Domain
Glover, John Hawley, Sir, 1829-1885
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T. O'Connor Sloan - Public Domain
Pictet, Raoul, 1846-1929
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Findlay, William, 1768-1846
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Baruzzi, Cincinnato, 1796-1878
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GFHund - CC BY 3.0
Minkowski, Rudolf 1895-1976
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original uploader - Public Domain
Piccirilli, Attilio, 1866-1945
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artist unknown - Public Domain
Boynton, John Farnham, 1811-1890
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Ei aberdeen - CC BY-SA 4.0
Robertson, Stanley
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unknown - Public Domain
Carcopino, Jérôme, 1881-1970
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unknown - Public Domain
Marlborough, George Spencer Churchill, Duke of, 1793-1857
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Thomas Eakins - Public Domain
O'Donovan, William Rudolph, 1844-1920
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Chatterjee, Ramananda, 1865-1943
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Mathew Brady - Public Domain
Sprague, Kate Chase, 1840-1899
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Marcin Wichary - CC BY 2.0
Kay, Alan Curtis, 1940-
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Jessel, George, Sir, 1824-1883
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unknown - Public Domain
Lagrange, J.L. (Joseph Louis), 1736-1813
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University of Washington - Public Domain
Hitchcock, Raymond, 1865-1929
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U.S. Navy photo by Photographer's mate 2nd class Jason C. Winn - Public Domain
Newton, Wayne
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Tallchief, Maria, 1925-2013
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Photo by Friedman-Abeles, New York - Public Domain
Medford, Kay 1914-1980
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Mass Communication Specialist 1st Class Chad J. McNeeley - Public Domain
Patrick, Robert, 1958-....
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Boungawa - CC BY-SA 4.0
Williams, Richard, 1933-....
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unknown - CC BY-SA 4.0
Braun, E. Lucy (Emma Lucy), 1889-1971
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Newcastle, Henry Pelham Fiennes Pelham Clinton, Duke of, 1785-1851
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BjornNitmoe - CC BY-SA 3.0
Renner, James, 1978-
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Mathew Brady - Public Domain
Murillo Toro, Manuel, 1816-1880
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Public Domain
Sibley, Hiram, 1807-1888