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US gov - Public Domain
James Terry White - Public Domain
August Weger - Public Domain
Allan warren - CC BY-SA 3.0
Bain - Public Domain
w:Roger Corman - Public Domain
J. P. Bell Co. - Public Domain
myself - CC BY-SA 3.0
Edith Wharton collection - Public Domain
HazteOir.org - CC BY-SA 2.0
unknown - Public Domain
By Louisa Lane Drew, Douglas Taylor - Public Domain
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Agence Rol - Public Domain
Godefroy Engelmann (1788-1839) after Pierre-Roch Vigneron (1789-1872) - Public Domain
Léon Ruffé - Public Domain
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Ford, Whitey, 1928-
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Escobedo, Mariano, 1826-1902
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US gov - Public Domain
Polanco Abreu, Santiago, 1920-1988
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James Terry White - Public Domain
Clark, John, 1766-1832
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August Weger - Public Domain
Dorn, Heinrich Ludwig Egmont, 1804-1892
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Allan warren - CC BY-SA 3.0
Hird, Thora
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Pembroke and Montgomery, Elizabeth Herbert, Countess of, 1737-1831
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Valier, Max, 1895-1930
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Bain - Public Domain
Macy, V. Everit
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Losch, Tilly, 1904-1975
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w:Roger Corman - Public Domain
Welles, Mel
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J. P. Bell Co. - Public Domain
Smith, Francis H. (Francis Henney), 1812-1890
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Pastor, Ed, 1943-2018
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myself - CC BY-SA 3.0
Zawinul, Joe, 1932-2007
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Edith Wharton collection - Public Domain
Sturgis, Howard Overing, 1855-1920
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Alexander, Peter, 1939-....
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HazteOir.org - CC BY-SA 2.0
Chaput, Charles J.
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unknown - Public Domain
Fairlie, John A. (John Archibald), 1872-1947
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By Louisa Lane Drew, Douglas Taylor - Public Domain
Drew, John, 1827-1862
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Middleton, Troy H. (Troy Houston), 1889-1976
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Williams, Oscar, 1900-1964
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unknown - Public Domain
Mortillet, Gabriel de 1821-1898
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Waalkes, Otto
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Galilei, Galileo, 1564-1642
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Agence Rol - Public Domain
Sayre, Jessie Woodrow Wilson, 1887-1933
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Godefroy Engelmann (1788-1839) after Pierre-Roch Vigneron (1789-1872) - Public Domain
Bichat, Xavier, 1771-1802
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unknown - Public Domain
Hallowell, Benjamin, 1799-1877
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Moore, Jonas, Sir, 1617-1679
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Léon Ruffé - Public Domain
Pressensé, Francis de, 1853-1914
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Gruithuisen, Franz von Paula, 1774-1852