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unknown - Public Domain
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Andrew Dermont - CC BY 3.0
Toglenn - CC BY-SA 3.0
Sailko - CC BY 3.0
jimmyack205 - CC BY 2.0
Ido Carmel - CC BY-SA 2.0
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Jnlin - CC BY-SA 3.0
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*:File:Mason_Sears_and_wife.jpg - Public Domain
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Newman, George, Sir, 1870-1948
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Rudorff, Ernst, 1840-1916
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Cerda Sandoval Silva y Mendoza, Gaspar de la, conde de Galve, 1653-1697
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Barnard, Henry, 1811-1900
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Leichhardt, Ludwig, 1813-1848
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David Shankbone -
Aronowitz, Stanley.
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unknown - Public Domain
Manns, August Friedrich, Sir, 1825-1907
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Camus, Armand-Gaston, 1740-1804
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Andrew Dermont - CC BY 3.0
Wolff, Michael, 1953-....
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Toglenn - CC BY-SA 3.0
Powers, Stefanie
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Sailko - CC BY 3.0
Cavaceppi, Bartolomeo, 1717-1799
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Bjerknes, V. (Vilhelm), 1862-1951
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Schreck, Gustav
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Kim, Yuli 1936-....
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Cayley, Neville William, 1886-1950
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jimmyack205 - CC BY 2.0
Mattingly, Don, 1961-
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Poliakoff, Stephen, 1952-....
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Goldthwait, Bob, 1962-
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unknown - Public Domain
Ferry, William Montague, 1796-1867
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Ido Carmel - CC BY-SA 2.0
Anderson, Gillian, 1968-...
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Suffolk, Charles Brandon, Duke of, -1545
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Keating, Edward, 1875-1965
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Holstein, Friedrich von 1837-1909
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National Zoological Park (U.S.)
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Original uploader was Michaelsanders - Public Domain
Margaret, of York, Duchess, consort of Charles the Bold, Duke of Burgundy, 1446-1503
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Jnlin - CC BY-SA 3.0
Noguchi, Hideyo, 1876-1928
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Daniel, Peter V. (Peter Vivian), 1784-1860
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Batali, Mario
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Tunney, Gene, 1897-1978
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*:File:Mason_Sears_and_wife.jpg - Public Domain
Sears, Mason, 1899-