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unknown -
Angus McCulloch -
Onehandclapping - CC BY-SA 3.0
original uploader - Public Domain
unknown - Public Domain
Ealdgyth - CC BY-SA 3.0
Original uploader was :fr:Polmars - Public Domain
Administration fédérale des Etats-Unis - Public Domain
user at project -
General Artists Corporation (management company) - Public Domain
Mathew Brady - Public Domain
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Richards, Samuel W. (Samuel Whitney), 1824-1909
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Sheldon, Edward, 1886-1946
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unknown -
Broecker, Wallace S., 1931-....
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Angus McCulloch -
MacDiarmid, Hugh, 1892-1978
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Terry, Alice, 1899-
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Onehandclapping - CC BY-SA 3.0
Yau, John, 1950-....
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original uploader - Public Domain
Unonius, Gustaf, 1810-1902
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Archer, Frederick Scott
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unknown - Public Domain
Jones, Alonzo Trévier, 1850-1923
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unknown - Public Domain
Salarrué (1899-1975).
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Borges, Jacobo, 1931-....
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Ealdgyth - CC BY-SA 3.0
Langton, Stephen, -1228
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unknown - Public Domain
Gwynn, Robert
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Original uploader was :fr:Polmars - Public Domain
Camus, Armand-Gaston, 1740-1804
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Cienfuegos Arteaga, José Ignacio, 1762-1847
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Vega, Georg, Freiherr von, 1754-1802
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Robertson, Howard, 1888-1963
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Ciechanowiecki, Andrzej, 1924-2015
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Administration fédérale des Etats-Unis - Public Domain
Watson, W. Marvin (William Marvin), 1924-
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Berrell, George, 1849-1933
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Richmond and Lennox, Charles Lennox, Duke of, 1735-1806
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Gregory, of Nyssa, Saint, approximately 335-approximately 394
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user at project -
Flutie, Doug
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Goodrich, Caspar F. (Caspar Frederick), 1847-1925
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Gentile, Giovanni, 1875-1944,
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Klügel, Georg Simon, 1739-1812
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General Artists Corporation (management company) - Public Domain
Shawn, Dick
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Mathew Brady - Public Domain
Speed, James, 1812-1887
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Forrest, Alexander, 1849-1901
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Euler, Johann Albrecht, 1734-1800