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Paul Graef (1855-1925) - Public Domain
unknown - Public Domain
Original uploader was :de:Dilerius - Public Domain
John Bradley Winslow (1851-1920), author. T. H. Flood & Company (Chicago, IL), publisher. - Public Domain
Georges Biard - CC BY-SA 3.0
Grasso Luigi - CC BY-SA 4.0
NPS - Public Domain
Allan warren - CC BY-SA 3.0
escolar - CC BY-SA 3.0
Scott Catron - CC BY-SA 2.0
HimmelrichPR - CC BY-SA 2.0
''unknown'' - Public Domain
J. P. Bell Co. - Public Domain
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Paul Graef (1855-1925) - Public Domain
Adler, Friedrich, 1827-1908
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Dahl, Roald, 1916-1990
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Negri, Pola, 1899-1987
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unknown - Public Domain
Standish, Myles, 1584?-1656
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Ward, Lester Frank, 1841-1913
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Original uploader was :de:Dilerius - Public Domain
Treitschke, Heinrich von 1834-1896
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unknown - Public Domain
Giraldi, Giambattista Cinzio, 1504-1573
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John Bradley Winslow (1851-1920), author. T. H. Flood & Company (Chicago, IL), publisher. - Public Domain
Hubbell, Levi, 1808-1876
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Georges Biard - CC BY-SA 3.0
Sitruk, Jules, 1990-...
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Grasso Luigi - CC BY-SA 4.0
Gilman, Henry, 1893-1986
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Funes, Gregorio, 1749-1829
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NPS - Public Domain
Pratt, Wallace Everette, 1885-1981
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Morellet, François
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Allan warren - CC BY-SA 3.0
Hulbert, Jack, 1892-1978
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Lestoile, Pierre de, 1546-1611
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escolar - CC BY-SA 3.0
Spores, Ronald
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Clarke, Thomas James, 1858-1916
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Mills, Arthur, 1816-1898
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Beccafumi, Domenico, 1486-1551
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Bolton, John R.
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Scott Catron - CC BY-SA 2.0
Grant, Amy
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Topolski, Feliks, 1907-1989
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HimmelrichPR - CC BY-SA 2.0
Stole, Mink
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Truth, Sojourner, 1799-1883
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Frederick William II, King of Prussia, 1744-1797
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''unknown'' - Public Domain
Harty, Hamilton, 1879-1941
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J. P. Bell Co. - Public Domain
Smith, Francis H. (Francis Henney), 1812-1890
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Moore, Russell, 1971-
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Halbig, Johann
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Gladwin, Henry, 1729-1791