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Clinedinst Studio, Washington, D.C. - Public Domain
unknown - CC BY-SA 4.0
Robbyroberts - Public Domain
Anonymous -
w:Thomas Goff Lupton - Public Domain
unknown - Public Domain
James Sayers after 1800 & by and published by John Raphael Smith, after Mather Brown - Public Domain
Giovanni Giovannetti/Grazia Neri - Public Domain
anonymous - Public Domain
author - Public Domain
Bmf0217 - CC BY-SA 3.0
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Ferguson, James Edward, 1871-1944
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Maynard, François de, 1582?-1646
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Kallmann, Franz J. (Franz Josef), 1897-1965
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O'Neil, Barbara, 1910-1980
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Bouchard, Lucien
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Clinedinst Studio, Washington, D.C. - Public Domain
Burns, Lucy, 1879-1966
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Orlov, Nikolaj Alekseevič (1827-1885).
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unknown - CC BY-SA 4.0
Duval, Alexandre, 1767-1842
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Robbyroberts - Public Domain
Williams, Marmaduke, 1774-1850
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Balabanov, Alekseĭ, 1959-2013
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Anonymous -
Romer, Tadeusz, 1894-1978
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Caffery, Donelson, 1835-1906
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w:Thomas Goff Lupton - Public Domain
Lee, James Prince, 1804-1869
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Little, Rich, 1938-
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Seghers, Hercules, active 17th century
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unknown - Public Domain
Morris, Lewis Richard, 1760-1825
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Benson, Frank Weston, 1862-1951
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Bedford, Francis Russell, Duke of, 1788-1861
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James Sayers after 1800 & by and published by John Raphael Smith, after Mather Brown - Public Domain
Bannister, Charles, 1741-1804
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De Palma, Brian
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unknown - Public Domain
Albuquerque, Afonso de, 1453-1515
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Voorhees, Foster M. (Foster MacGowan), 1856-1927
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unknown - Public Domain
Moholy-Nagy, László, 1895-1946
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Giovanni Giovannetti/Grazia Neri - Public Domain
Plath, Sylvia, 1932-1963
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anonymous - Public Domain
Jessup, William, 1797-1868
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author - Public Domain
Sproul, William C. (William Cameron), 1870-1928
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Purkyně, Jan Evangelista, 1787-1869
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Bmf0217 - CC BY-SA 3.0
Ferrari, Luc
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Grenier, Paul 1768-1827
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Victors, Jan, 1619-1676