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US Government Printing Office - Public Domain
unknown - Public Domain
Thiele41 - CC BY-SA 3.0
ABC Television - Public Domain
w:White House Photographic Office - Public Domain
Georges Devred (1887-1932) - Public Domain
unknown - CC BY 4.0
Michelle Uthoff-Campbell - CC BY-SA 2.0
Edwardx - CC BY-SA 3.0
True, Alfred Charles, 1853-1929 - Publisher: Washington, U.S. Govt. print. off. - Public Domain
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Eilshemius, Louis M. (Louis Michel), 1864-1941
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US Government Printing Office - Public Domain
Rousselot, John H.
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Besant, Walter, 1836-1901
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Günther, Johann Christian, 1695-1723
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unknown - Public Domain
Ritter, August Gottfried, 1811-1885
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Daillé, Jean, 1594-1670
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Watson, H. B. Marriott (Henry Brereton Marriott), 1863-1921
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Pius X, Pope, 1835-1914
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Mennes, John, Sir, 1599-1671
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Thiele41 - CC BY-SA 3.0
Kernighan, Brian W.
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Ebers, Georg, 1837-1898
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Morse, Edward Sylvester, 1838-1925
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Strzelecki, Paul Edmund de, 1797-1873
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Varnhagen, Rahel, 1771-1833
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unknown - Public Domain
Denevi, Marco, 1922-1998
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unknown - Public Domain
Hecker, Friedrich, 1811-1881
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Ross, E. Denison (Edward Denison), Sir, 1871-1940
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unknown - Public Domain
Sharify, Nasser, 1925-2013
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ABC Television - Public Domain
Mann, Johnny
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unknown - Public Domain
Spellman, John
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w:White House Photographic Office - Public Domain
Kennerly, David Hume, 1947-
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Lejeune, Louis-François, Baron, 1775-1848
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Weissmüller, Johnny, 1904-1984
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Georges Devred (1887-1932) - Public Domain
Flandin, Pierre-Étienne, 1889-1958
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unknown - CC BY 4.0
Clouston, T. S. (Thomas Smith), 1840-1915
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Michelle Uthoff-Campbell - CC BY-SA 2.0
Woodard, Alfre, 1953-
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Hensel, Wilhelm, 1794-1861
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Edwardx - CC BY-SA 3.0
Sherborn, Robert, approximately 1454-1536
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True, Alfred Charles, 1853-1929 - Publisher: Washington, U.S. Govt. print. off. - Public Domain
True, Alfred Charles, 1853-1929
Image from Wikimedia Commons
Wells, Emmeline B. (Emmeline Blanche), 1828-1921