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Mathew Brady - Public Domain
Die Schreibfabrik - Public Domain
Royal Zoological Society of New South Wales; -
unknown - Public Domain
TarHippo - Public Domain
original uploader - Public Domain
Pturnley - CC BY-SA 3.0
E.G. Fredette - Public Domain
Lezamian76 - Public Domain
Julius Schaarwächter - Public Domain
Randall Studios - Public Domain
Per Krafft the Younger - Public Domain
music3 2006/2007, Gemälde vor 1798 - Public Domain
Ed Schipul - CC BY-SA 2.0
unknown -
Thomas Gainsborough - Public Domain
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Mathew Brady - Public Domain
Haskell, D. C. (Dudley Chase), 1842-1883
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Die Schreibfabrik - Public Domain
Lumley, Brian
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Rutherford, Mike
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Wildman, John, Sir, 1621?-1693
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Royal Zoological Society of New South Wales; -
Troughton, Ellis, 1893-1974
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unknown - Public Domain
Jenner, Gustav, 1865-1920
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TarHippo - Public Domain
Mitchell, Elisha, 1793-1857
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Hillis, Newell Dwight, 1858-1929
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Ḥarifaʼi, Zaharirah
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original uploader - Public Domain
Andrews, Roy Chapman, 1884-1960
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Pturnley - CC BY-SA 3.0
Turnley, Peter.
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E.G. Fredette - Public Domain
Wendt, Waldemar F. A. (Waldemar Frederick August), 1912-1997
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Lezamian76 - Public Domain
Lezama Lima, José
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Reche, Otto, 1879-1966
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Julius Schaarwächter - Public Domain
Carreño, Teresa, 1853-1917
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Randall Studios - Public Domain
McCoskry, Samuel Allen, 1804-1886
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Werber, Bill, 1908-2009
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Balfour, H. H. (Harold Harington), 1897-1988
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Per Krafft the Younger - Public Domain
Wingård, Carl Fredrik af, 1781-1851
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Anderson, Mary, 1920-
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unknown - Public Domain
Gunn, Moses, 1929-1993
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music3 2006/2007, Gemälde vor 1798 - Public Domain
Fleischmann, J. F. A. (Johann Friedrich Anton), 1766-1798
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Wildenstein, Georges.
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Ed Schipul - CC BY-SA 2.0
Benjamin, Arthur
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Grün, Anastasius, 1806-1876
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unknown -
Powell, Violet, 1912-2002
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Ivan Aleksandŭr, Czar of Bulgaria, -1371
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Thomas Gainsborough - Public Domain
Lauderdale, James Maitland, Earl of, 1759-1839
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Poncelet, M. (Jean Victor), 1788-1867
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original uploader - Public Domain
Horsley, John Callcott, 1817-1903