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Erling Mandelmann - CC BY-SA 3.0
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Mathew Brady - Public Domain
Amrei-Marie - CC BY-SA 3.0
unknown - Public Domain
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Bain News Service; Uploaded by Calliopejen - Public Domain
US Government Printing Office - Public Domain
Contemporary photograph - Public Domain
Hermann Valentiner -
Teddychen81 - CC BY 3.0
ChrisBMartin - CC BY-SA 3.0
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August Weger - Public Domain
PhillipC - CC BY 2.0
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Matignon, Camille, 1867-
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Erling Mandelmann - CC BY-SA 3.0
Moret, Norbert, 1921-1998
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Bellessi, Diana, 1946-....
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Velden, Petrus van der, 1837-1913
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Rice, Craig, 1908-1957
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Mathew Brady - Public Domain
Geary, John White, 1819-1873
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Lennox, James Stuart, Duke of, 1612-1655
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Amrei-Marie - CC BY-SA 3.0
Kershaw, Ian
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unknown - Public Domain
Havet, Louis, 1849-1925
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National Archives of Australia -
Crean, Frank, 1916-
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Bain News Service; Uploaded by Calliopejen - Public Domain
Gish, Lillian, 1893-1993
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US Government Printing Office - Public Domain
Murray, Tom, 1894-1971
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Contemporary photograph - Public Domain
Delitzsch, Franz, 1813-1890
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Schroeder, Seaton, 1849-1922
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Vance, Robert B. (Robert Brank), 1828-1899
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unknown - Public Domain
De Pisis, Filippo, 1896-1956
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Hermann Valentiner -
Lorenz, Ludvig Valentin, 1829-1891
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Leslie, Gladys, 1899-1976
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Teddychen81 - CC BY 3.0
Salter, Alfred, 1873-1945
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Elkins, Stephen B. (Stephen Benton), 1841-1911
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ChrisBMartin - CC BY-SA 3.0
Danvers, Dennis
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Labadie, Jo, 1850-1933
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Everhart, James B. (James Bowen), 1821-1888
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Nicohofmann -
Kondō, Kōji.
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Read, Charles Hercules, Sir, 1857-1929
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August Weger - Public Domain
Satter, Gustave
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Ferri, Antonio, 1912-
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PhillipC - CC BY 2.0
Whyte, William Foote, 1914-2000
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Lescot, Élie 1883-1974
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Dicey, Edward, 1832-1911