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Hans Holbein d. J. - Public Domain
unknown - Public Domain
unknown. Original uploader was Outremer31 - Public Domain
Mathew Brady - Public Domain
Gage Skidmore - CC BY-SA 3.0
Kuebi - CC BY-SA 3.0
Friedrich Buser - Public Domain
unknown -
user at project - Public Domain
nicolas genin - CC BY-SA 2.0
Office of the Treasurer - Public Domain
original uploader - Public Domain
Gibnews - CC BY 3.0
Public Domain
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King, Peter King, Lord, 1669-1734
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Pivert, Marceau, 1895-1958
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Hans Holbein d. J. - Public Domain
Colet, John, 1467?-1519
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unknown - Public Domain
Girdwood, G. P. (Gilbert Prout), 1832-1917
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Oertel, Johannes Adam Simon, 1823-1909
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Cesare, Oscar Edward, 1885-1948
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unknown. Original uploader was Outremer31 - Public Domain
De Saussure, W. F. (William Ford), 1792-1870
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National Zoological Park (U.S.)
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Mathew Brady - Public Domain
Dickinson, Daniel S. (Daniel Stevens), 1800-1866
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Gage Skidmore - CC BY-SA 3.0
Barone, Michael.
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Kuebi - CC BY-SA 3.0
Matyjaszewski, K. (Krzysztof)
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Friedrich Buser - Public Domain
Troxler, Ignaz Paul Vitalis, 1780-1866
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Dostoyevsky, Fyodor, 1821-1881
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unknown -
Iványi-Grünwald, Béla
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user at project - Public Domain
Nystedt, Knut, 1915-....
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nicolas genin - CC BY-SA 2.0
Unkrich, Lee
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Lowe, Hudson, Sir, 1769-1844
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unknown - Public Domain
Drayton, Thomas, 1808-1891
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Office of the Treasurer - Public Domain
Bañuelos, Romana Acosta, 1925-2018
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Murguía, Manuel, 1833-1923
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original uploader - Public Domain
Talmage, John Van Nest, 1819-1892
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Gibnews - CC BY 3.0
Janner, Greville.
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Gregory, James, 1638-1675
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Mathew Brady - Public Domain
Keene, Laura, 1826-1873
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Public Domain
Holliday, Cyrus Kurtz, 1826-1900
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Schweninger, Ernst
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Adam, Adolphe, 1803-1856
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Flood, James Clair, 1826-1888
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unknown - Public Domain
Cecchetti, Enrico, 1850-1928
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original uploader - Public Domain
Sweatnam, Willis P. (Willis Palmer), 1854-1930