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Harris & Ewing - Public Domain
Ridley, after Holloway - Public Domain
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Esther Bubley - CC BY-SA 3.0
Harold Goff - Public Domain
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unknown - Public Domain
Matunguita - Public Domain
Alissaarp - Public Domain
George Townshend, 4th Marquess Townshend - Public Domain
anonymous - Public Domain
Konrad Jacobs - CC BY-SA 2.0
Gage Skidmore - CC BY-SA 3.0
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Novelli, Ermete, 1851-1919
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Harris & Ewing - Public Domain
Bickett, Thomas Walter, 1869-1921
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Ridley, after Holloway - Public Domain
Lofft, Capel, 1751-1824
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Drayton, William, 1776-1846
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original uploader - Public Domain
Putlitz, Gustav Heinrich Gans, Edler Herr von und zu, 1821-1890
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Frere, Bartle, Sir, 1815-1884
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Barye, Antoine-Louis, 1796-1875
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Emerson, William K.
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Esther Bubley - CC BY-SA 3.0
Oneal, Hank
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Tongue, Thomas H., 1844-1903
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McGregor, Malcolm, 1892-1945
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Muzio, Claudia, 1889-1936
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Harold Goff - Public Domain
Fairbanks, Avard T. (Avard Tennyson), 1897-1987
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Klose, Margarete
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Flickr user klg19 - CC BY-SA 2.0
Koren, Edward.
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unknown - Public Domain
Emilio, Luis F. (Luis Fenollosa), 1844-
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Rosenberg, Léonce, 1879-1947
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Matunguita - Public Domain
Blinder, Olga, 1921-....
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unknown - Public Domain
Rheinberger, Josef
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Alissaarp - Public Domain
Arp, Halton C.
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George Townshend, 4th Marquess Townshend - Public Domain
Cope, John, Sir, -1760
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Nicholson, Peter, 1765-1844
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anonymous - Public Domain
Darlan, François, 1881-1942
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Hébert, Jacques-René, 1757-1794
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Crémieux, Adolphe, 1796-1880
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Konrad Jacobs - CC BY-SA 2.0
Rado, Richard, 1906-
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Honorati, Bernardino, card., 1724-1807
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Gage Skidmore - CC BY-SA 3.0
Symington, J. Fife, 1945-
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Bullitt, William C. (William Christian), 1891-1967
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Custis, John Parke, 1754-1781