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unknown photographer - Public Domain
David Shankbone - CC BY-SA 3.0
Anders Henrikson - CC BY 2.0
Philip-Jan Kohnstamm - CC BY-SA 3.0
unknown - Public Domain
Eric Connolly - Public Domain
Samuel Smith Kilburn - Public Domain
Benjamin Franklin Reinhart (1829-1885) - Public Domain
author of photograph unknown - Public Domain
L0016246 - CC BY 4.0
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unknown photographer - Public Domain
Poland, Joseph F.
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Morgan, J. P. (John Pierpont), 1867-1943
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David Shankbone - CC BY-SA 3.0
Name, Billy, 1940-
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Tyrrell, George, 1861-1909
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Hilsman, Roger.
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Brown, Sydney M. (Sydney MacGillvary), 1895-1952
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Tooke, John Horne, 1736-1812
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Sedelmeyer, Charles, 1837-1925
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Harter, Michael D. (Michael Daniel), 1846-1896
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Gnoli, Domenico, 1838-1915
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Anders Henrikson - CC BY 2.0
Samuelson, Mikael, 1951-
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Philip-Jan Kohnstamm - CC BY-SA 3.0
Kohnstamm, Max, 1914-2010
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unknown - Public Domain
Stone, William A. (William Alexis), 1846-1920
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Harvey, William, 1578–1657
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Campbell, Colin, 1776-1847
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Brambilla, Giovanni Alessandro, 1728-1800
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Albemarle, George Monck, Duke of, 1608-1670
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Russell, Benjamin, 1804-1885
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Matthew, Tobias, 1546-1628
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Cossart, Ernest, 1876-1951
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Fort, Franklin W. (Franklin William), 1880-
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Eric Connolly - Public Domain
Krishnamoorthi, Raja, 1973-
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Samuel Smith Kilburn - Public Domain
Ames, Joseph, 1816-1872
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Wirtinger, Wilhelm, 1865-1945
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Strozier, Robert Manning, 1906-1960
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Tillman, John Newton, 1859-1929
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Signoret, Simone, 1921-1985
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Benjamin Franklin Reinhart (1829-1885) - Public Domain
Breckinridge, Mary, 1826-1907
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author of photograph unknown - Public Domain
Bardeleben, Karl Heinrich von, 1849-1919
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L0016246 - CC BY 4.0
Strachey, James.