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Public Domain
Erik Schmidt -
RP Live Entertainment - CC0 1.0
unknown - Public Domain
Kurt.Köhler - CC BY-SA 4.0
not stated - Public Domain
Mike Cline - Public Domain
Russel Roederer - Public Domain
author - Public Domain
United States Senate -
US gov - Public Domain
Unattributed - Public Domain
John Watkins - Public Domain
Christian Romstedt - CC BY 3.0
wCincgreen -
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Heister, Lorenz, 1683-1758
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Public Domain
Kennedy, Edgar, 1890-1948
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Erik Schmidt -
Schmidt, Erik, 1925-
Image from Wikimedia Commons
RP Live Entertainment - CC0 1.0
Perry, Rodney, 1970-
Image from Wikimedia Commons
unknown - Public Domain
Mylne, William Chadwell, 1781-1863
Image from Wikimedia Commons
Kurt.Köhler - CC BY-SA 4.0
Domínguez, Óscar 1906-1957
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not stated - Public Domain
Westcott, Edward Noyes, 1847-1898
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Jackson, Abner, 1811-1874
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Mike Cline - Public Domain
Hallock, Charles, 1834-1917
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Kodama, Yoshio, 1911-1984
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Russel Roederer - Public Domain
Crowe, William J., 1925-2007
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author - Public Domain
Totten, Joseph Gilbert, 1788-1864
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Rose, Charles, Sir, 1847-1913
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United States Senate -
Grassley, Charles
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Rugolo, Pete, 1915-2011
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Katayama, Sen, 1859-1933
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Tietze, Heinrich, 1880-1964
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Campbell, Archibald James, 1853-1929
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US gov - Public Domain
Young, Thos. L. (Thomas Lowry), 1832-1888
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Sunderland, Charles Spencer, Earl of, 1674-1722
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Unattributed - Public Domain
Harcourt, Marguerite Béclard d'
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John Watkins - Public Domain
Walpole, Spencer H. (Spencer Horatio), 1806-1898
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Morton, Paul, 1857-1911
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Christian Romstedt - CC BY 3.0
Krieger, Adam, 1634-1666
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wCincgreen -
Clayton, Thomas, 1777-1854
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McCrea, Jane, 1753-1777
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Public Domain
Carré, Albert, 1852-1938
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Lajtha, László
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Carlson, Paul, 1928-1964
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Warburg, Otto Heinrich, 1883-1970