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author info - Public Domain
unknown - Public Domain
photographer: Pierre Petit - Public Domain
original uploader - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Dukeofsully3 - CC BY-SA 4.0
Snichifor - CC BY-SA 3.0
"From a painting by Pickersgill, R.A." [likely w - Public Domain
Pacitaabadart - Public Domain
Sally Larsen - CC BY-SA 3.0
Janboek - CC BY-SA 4.0
Arnielee - CC BY-SA 3.0
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Agramonte y Loynaz, Ignacio, 1841-1873
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author info - Public Domain
Quatrefages, A. de (Armand), 1810-1892
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Lemmen, Georges, 1865-1916
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unknown - Public Domain
Blackwell, Alice Stone, 1857-1950
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photographer: Pierre Petit - Public Domain
Audran, Edmond, 1842-1901
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August, Duke of Sachsen-Weissenfels, 1614-1680
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Muñoz, Lucio 1929-1998
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original uploader - Public Domain
Curtis, Cyrus Hermann Kotzschmar, 1850-1933
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Emden, Jacob, 1697-1776
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Mathew Brady Levin Corot Handy - Public Domain
Morton, Oliver P. (Oliver Perry), 1823-1877
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Konoe, Iezane, 1179-1243
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Joinville, François-Ferdinand-Philippe-Louis-Marie d'Orléans, prince de, 1818-1900
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Turpie, David, 1829-1909
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Dukeofsully3 - CC BY-SA 4.0
Goddard, John, 1926-
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Defoe, Daniel, 1661?-1731
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Chapu, Henri, 1833-1891
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Wallach, Eli, 1915-2014
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Snichifor - CC BY-SA 3.0
Alexandra, Liana, 1947-2011
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unknown - Public Domain
Moberly, C.A.E. (Charlotte Anne Elizabeth), 1846-1937
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"From a painting by Pickersgill, R.A." [likely w - Public Domain
Murchison, Roderick Impey, Sir, 1792-1871
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unknown - Public Domain
Wilensky, Moshe, 1910-1997
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George, of Trebizond, 1396-1486
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Pacitaabadart - Public Domain
Abad, Pacita, 1946-2004
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Grosswald, Emil.
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Sally Larsen - CC BY-SA 3.0
Tomaselli, Fred, 1956-....
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Rosi, Francesco
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Janboek - CC BY-SA 4.0
Ellul, Jacques, 1912-1994
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Rigby, Cathy, 1952-
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unknown - Public Domain
Kucinich, Dennis J., 1946-....
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Arnielee - CC BY-SA 3.0
Lightfoot, Gordon