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unknown - Public Domain
Foulsham & Banfield - Public Domain
O. C. Rawson - Public Domain
Samuel Butler (1774-1839) - Public Domain
unknown - CC0 1.0
Washington University photography staff - Public Domain
Rich Tea -
United States Government - Public Domain
Ssociólogos - CC BY 3.0
anonymous - Public Domain
Sergey Levitsky - Public Domain
Unknown portrait artist - Public Domain
Eric Koch / Anefo - CC BY-SA 3.0
Unknown Civil War Photographer - CC BY 3.0
J. Gurney & Sons, fl. ca. 1850-1870 - Photographer - Public Domain
Antonio de La Gandara - Public Domain
Hans Peters (ANEFO) - CC0 1.0
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unknown - Public Domain
Belloc, Bessie Rayner, 1829-1925
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Draeseke, Felix, 1835-1913
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Foulsham & Banfield - Public Domain
Millar, Gertie, 1879-1952
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McCarthy, Justin, 1830-1912
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O. C. Rawson - Public Domain
Clark, J. M. (John Murray), 1860-
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Wrong, Humphrey Hume, 1894-1954
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Samuel Butler (1774-1839) - Public Domain
Butler, Samuel, 1774-1839
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Law, Bob, 1934-2004
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Bulganin, Nikolay Aleksandrovich, 1895-1975
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unknown - CC0 1.0
Ellis, Edith, 1876-1960
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Washington University photography staff - Public Domain
Loeb, Leo, 1869-1959
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Rich Tea -
Cædmon
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Berchtold, Leopold, Graf, 1863-1942
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United States Government - Public Domain
Christenberry, Herbert William, 1897-1975
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Ssociólogos - CC BY 3.0
Michels, Robert, 1876-1936
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Williams, Otho Holland, 1747-1794
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anonymous - Public Domain
Landseer, Edwin Henry, Sir, 1802-1873
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Hawkins, John, Sir, 1532-1595
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Sergey Levitsky - Public Domain
Litke, F. P. (Fedor Petrovich), graf, 1797-1882
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Gregg, Robert Samuel, 1834-1896
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Culberson, Charles A. (Charles Allen), 1855-1925
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Unknown portrait artist - Public Domain
Reynolds, Thomas, 1796-1844
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Moynier, Gustave, 1826-1910
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Eric Koch / Anefo - CC BY-SA 3.0
Koestler, Arthur, 1905-1983
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Lindsay, Norman, 1879-1969
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Unknown Civil War Photographer - CC BY 3.0
Stow, Baron, 1801-1869
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J. Gurney & Sons, fl. ca. 1850-1870 - Photographer - Public Domain
Lovejoy, Owen, 1811-1864
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Löwe, Ferdinand, 1863-1925
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Antonio de La Gandara - Public Domain
Rubinstein, Ida
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Hans Peters (ANEFO) - CC0 1.0
Balkt, H. H. ter, 1938-....