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unknown - Public Domain
Howard Lee - Public Domain
original uploader - Public Domain
oSiRis Naref - CC BY-SA 2.0
The Browns - Public Domain
Bartolomé Pérez - Public Domain
ABC staff? - Public Domain
user at project - Public Domain
Harris & Ewing - Public Domain
И.М. Бондаренко - CC BY-SA 3.0
From a portrait by John Collier - Public Domain
Jmabel - CC BY-SA 3.0
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Thwaites, Reuben Gold, 1853-1913
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unknown - Public Domain
Woolsey, Theodore Salisbury, 1852-1929
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Vries, Hendrik de, 1896-
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Howard Lee - Public Domain
Lee, Howard, 1934-
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Norris, J. Frank (John Frank), 1877-1952
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original uploader - Public Domain
Remarque, Erich Maria, 1898-1970
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unknown - Public Domain
Badoglio, Pietro, 1871-1956
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Mesrop, Saint, approximately 361-440
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oSiRis Naref - CC BY-SA 2.0
Guillén, Jorge, 1893-1984
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Durkheim, Émile, 1858-1917
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unknown - Public Domain
Scheve, Theodor von
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Pepperrell, William, Sir, 1696-1759
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The Browns - Public Domain
Walker, Maggie Lena, 1867-1934
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Eliot, George, 1819-1880
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Hasse, Johann Adolf, 1699-1783
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Bartolomé Pérez - Public Domain
Pérez, Bartolomé 1634-1693
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ABC staff? - Public Domain
Graves, Teresa, 1948-2002
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Cajöri, Florian 1859-1930
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Medinaceli, Luis Francisco de la Cerda y Aragón, Duque de 1660-1711
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user at project - Public Domain
Jones, George, 1931-2013
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Sheik, Duncan, 1969-
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Dargie, William, Sir, 1912-2003
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Harris & Ewing - Public Domain
Chinda, Sutemi, 1856-1929
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И.М. Бондаренко - CC BY-SA 3.0
Harnack-Fish, Mildred, 1902-1943
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From a portrait by John Collier - Public Domain
Sandeman, Robert Groves, Sir, 1835-1892
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Bruce, Andrew D. (Andrew Davis), 1894-1969
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Sibley, Henry Hopkins, 1816-1886
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Jmabel - CC BY-SA 3.0
Vez, El
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unknown - Public Domain
Oskam, Gerard Cornelis Adrianus 1880-1952
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Trübner, Wilhelm, 1851-1917