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By Julia Ward Howe - Public Domain
Tatehuari el 26 de Enero de 2006 - Public Domain
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Mathew Brady - Public Domain
William Smith Pelletreau - Public Domain
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By Julia Ward Howe - Public Domain
Sutherland, Evelyn Greenleaf, 1855-1908
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Tuttle, Charles H. (Charles Henry), 1879-1971
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Veblen, Thorstein, 1857-1929
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Tatehuari el 26 de Enero de 2006 - Public Domain
Alessio Robles, Vito, 1879-1957
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Kindermann, Johann Erasmus, 1616-1655
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David Shankbone - CC BY-SA 3.0
Name, Billy, 1940-
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Ernest Rude - CC BY-SA 3.0
Eggen, Arne, 1881-1955
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Dahlmann, F. C. (Friedrich Christoph), 1785-1860
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Campomanes, Pedro Rodríguez, conde de, 1723-1803
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Solís, Antonio de, 1610-1686
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Speyer, Leonora, 1872-1956
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Hasson, Esther Voorhees, 1867-1942
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Dennis Hamilton - CC BY 2.0
Harel, David, 1950-....
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''New York Tribune'' - Public Domain
Beecher, Janet
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Spengler, Lazarus, 1479-1534
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Millson, John S. (John Singleton), 1808-1874
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Pombo
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Dotzauer, J. J. F. (Justus Johann Friedrich), 1783-1860
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Willard, Arthur C. (Arthur Cutts), 1878-1960
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Mauro, fra, -1459
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Feld, Fritz, 1900-1993
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Montelius, Oscar, 1843-1921
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Holmes, Henry, 1839-1905
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Fedorova, Sofʹi︠a︡ Vasilʹevna, 1879-1963
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Clark, Alvan, 1804-1887
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Anesaki, Masaharu, 1873-1949
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Mathew Brady - Public Domain
Speed, James, 1812-1887
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William Smith Pelletreau - Public Domain
Wood, Silas, 1769-1847
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Papageorge, Tod
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Shannon, Peggy, 1907-1941