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unknown - Public Domain
Carolynbiggio - CC BY-SA 4.0
Elisabeth Loewenstein Novick - CC BY-SA 3.0
United Nations Development Programme - CC BY 2.0
Tyomitch -
OlivierStrecker - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
Evstafiev - CC BY-SA 2.5
S. R. Morgan. - Public Domain
Robert L. Knudsen - Public Domain
Civil War glass negative collection (Library of Congress) - Public Domain
original uploader - Public Domain
South African Police - Public Domain
Arnold Genthe - Public Domain
unknown -
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unknown - Public Domain
Conway, Elias N. (Elias Nelson), 1812-1892
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Willaumez, Jean-Baptiste-Philibert, comte, 1761-1845
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Carolynbiggio - CC BY-SA 4.0
Hensche, Henry, 1901-
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Gilman, John Taylor, 1753-1828
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Huber, Hans, 1852-1921
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La Révellière-Lépeaux, Louis-Marie de, 1753-1824
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Elisabeth Loewenstein Novick - CC BY-SA 3.0
Loewenstein, Rudolph Maurice
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United Nations Development Programme - CC BY 2.0
Gambari, I. A. (Ibrahim Agboola)
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Tyomitch -
Wirth, Niklaus
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OlivierStrecker - CC BY-SA 3.0
Naceri, Samy
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Hitchings, George H. (George Herbert), 1905-1998
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Georges Biard - CC BY-SA 3.0
Tchernia, Pierre, 1928-....
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Banfield, Edward C.
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Warwick, Robert Rich, Earl of, 1587-1658
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unknown - Public Domain
Harris, Andrew L. (Andrew Lintner), 1835-1915
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García Caturla, Alejandro, 1906-1940
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Maison, Rudolf, 1854-1904
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Forel, F.A. (François Alphonse), 1841-1912
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Evstafiev - CC BY-SA 2.5
Harmon, Jeff B.
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unknown - Public Domain
Hooper, W. H. (William Henry), 1813-1882
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Anderson, Alexander, 1845-1909
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S. R. Morgan. - Public Domain
Hamilton, T. Glen (Thomas Glendenning), 1873-1935
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Robert L. Knudsen - Public Domain
Somoza Debayle, Luis, 1922-1967
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Civil War glass negative collection (Library of Congress) - Public Domain
Rousseau, Lovell Harrison, 1818-1869
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Waldmeier, Theophilus, 1832-1915
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original uploader - Public Domain
Juliana, Countess of Stolberg, 1506-1580
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South African Police - Public Domain
Mbeki, Govan, 1910-2001
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Arnold Genthe - Public Domain
Duncan, Isadora, 1877-1927
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unknown -
Severini, Gino, 1883-1966
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Copeland, Ralph, 1837-1905