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BrokenSphere - CC BY-SA 3.0
Nv8200p - CC BY-SA 4.0
AmaralArte - CC BY-SA 4.0
Maurice Seymour, New York, photographer. - Public Domain
Vogler - CC BY-SA 3.0
anonymous - Public Domain
Silpet1 - CC0 1.0
Internet Archive Book Images -
Public Domain
Kreidezeichnung von J.Schmeller, Goethe-Nationalmuseum Weimar (1932) - Public Domain
THP - Public Domain
unknown - Public Domain
Lauren Gerson - Public Domain
David Shankbone - CC BY-SA 3.0
American Association of University Women -
Lioneldecoster - CC BY-SA 3.0
Billinghurst -
OMAC Artist Corporation, Bakersfield, CA. - Public Domain
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Mayorga, Martín de, -1783
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BrokenSphere - CC BY-SA 3.0
Luna, Barbara 1939-....
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Nv8200p - CC BY-SA 4.0
Jiles, Paulette, 1943-....
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AmaralArte - CC BY-SA 4.0
Amaral, Olga de
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Maurice Seymour, New York, photographer. - Public Domain
Adams, Edie, 1927-2008
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Gaultier, Denis, -1672
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Loud, E. F. (Eugene Francis), 1847-1908
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Lekain, Henri Louis Cain, 1728-1778
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Powell, Don
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Vogler - CC BY-SA 3.0
Fioretos, Aris.
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Douglas, Paul, 1907-1959
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anonymous - Public Domain
Isaac, Bishop of Nineveh, active 7th century
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Silpet1 - CC0 1.0
Ebert, Peter, 1918-2012
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Internet Archive Book Images -
Kernahan, Coulson, 1858-1943
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Public Domain
Wright, Joseph A. (Joseph Albert), 1810-1867
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Meulen, Henry
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Allen, Charles H. (Charles Herbert), 1848-1934
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Morgan, Charles, Sir, 1760-1846
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Kreidezeichnung von J.Schmeller, Goethe-Nationalmuseum Weimar (1932) - Public Domain
Riemer, Friedrich Wilhelm, 1774-1845
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THP - Public Domain
Carpenter, Philip P. (Philip Pearsall), 1819-1877
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Piskor, Tadeusz
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unknown - Public Domain
Ross, Harold Wallace, 1892-1951
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Lauren Gerson - Public Domain
Gibbs, Nancy, 1960-
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David Shankbone - CC BY-SA 3.0
Phillips, Carl, 1959-
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Klein, Calvin, 1942-
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American Association of University Women -
Russell, Elizabeth Shull, 1913-2001
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Lioneldecoster - CC BY-SA 3.0
McCracklin, Jimmy, 1921-2012
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Public Domain
Boris Fyodorovich Godunov, Czar of Russia, 1551 or 1552-1605
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Billinghurst -
Doyle, John Andrew, 1844-1907
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OMAC Artist Corporation, Bakersfield, CA. - Public Domain
Wooley, Sheb, 1921-2003