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Public Domain
unknown -
Phil King - CC BY 2.0
US Government Printing Office - Public Domain
unknown - Public Domain
TGC-Topps Gum Cards-photo from Cameo Records - Public Domain
Acuario04 - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
Floatjon - CC BY-SA 3.0
Heidy Escobar - CC BY-SA 2.0
Amasa J. Parker, editor. - Public Domain
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Public Domain
Kimball, Nathan, 1823?-1898
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unknown -
López, Alfonso, 1886-1959
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Edwards, John Passmore, 1823-1911
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Blair, Austin, 1818-1894
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Phil King - CC BY 2.0
Robb, John, 1961-
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US Government Printing Office - Public Domain
Rousselot, John H.
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Ransdell, Joseph E. (Joseph Eugene), 1858-1954
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unknown - Public Domain
Jean, de Meun, approximately 1240-approximately 1305
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Meyer, Hans Horst, 1853-1939
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Kuhnau, Johann, 1660-1722
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TGC-Topps Gum Cards-photo from Cameo Records - Public Domain
Gracie, Charlie, 1936-
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Acuario04 - CC BY-SA 3.0
Felguérez, Manuel 1928-
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Grey, John, 1785-1868
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Jędrzejewicz, Wacław, 1893-1993
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Chladni, Ernst Florens Friedrich, 1756-1827
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Georges Biard - CC BY-SA 3.0
Blier, Bertrand
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Seymour, David, 1911-1956
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Norman, E. Herbert, 1909-1957
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Muni, Paul, 1895-1967
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Patton, Robert M. (Robert Miller), 1809-1885
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Floatjon - CC BY-SA 3.0
Beltrami, Marco
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Varela, Florencio, 1807-1848
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Sobol, Yehoshuʻa
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Moles, Enrique
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unknown - Public Domain
Williams, Jared Warner, 1796-1864
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Tunner, William H.
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Heidy Escobar - CC BY-SA 2.0
Benatar, Pat
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Eakins, Thomas, 1844-1916
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Amasa J. Parker, editor. - Public Domain
Slingerland, John I., 1804-1861
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Thomas, Jameson, 1888-1939