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unknown - Public Domain
William James Topley - Public Domain
Mathew Brady - Public Domain
Gilbert Stuart - Public Domain
United States Senate Historical Office (Washington, DC). - Public Domain
*:File:Cesar_chavez.jpg - CC BY 3.0
Rick Vargas -
Photograph - Public Domain
Published anonymously (signed as HJ) - Public Domain
Jeremiah van der Eyden - Public Domain
William Lindsay Windus - Public Domain
Public Domain
מוטי קיקיון. -
Sorjello - CC BY-SA 3.0
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unknown - Public Domain
Early, Mr. (Peter), 1773-1817
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William James Topley - Public Domain
Drummond, Geo. A. (George Alexander), Sir, 1829-1910
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Mathew Brady - Public Domain
Belknap, William Worth, 1829-1890
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Luthuli, A. J. (Albert John), 1898-1967
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Ferenczi, Sándor, 1873-1933
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Salimbeni, Ventura, 1568-1613
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Philpot, Glyn, 1884-1937
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Gilbert Stuart - Public Domain
Thornton, Edward, Sir, 1766-1852
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Roby, Martha, 1976-
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Howard, Greg, 1964-
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United States Senate Historical Office (Washington, DC). - Public Domain
Burch, John C. (John Chilton), 1826-1885
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*:File:Cesar_chavez.jpg - CC BY 3.0
Chavez, Cesar, 1927-1993
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Rick Vargas -
Ripley, S. Dillon (Sidney Dillon), 1913-2001
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Pearson, George, 1751-1828
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Below, Fred, 1926-1988
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McGillivray, William, 1764?-1825
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Motion, Andrew, 1952-
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Hutson, Richard, 1748-1795
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Photograph - Public Domain
Peabody, Andrew P. (Andrew Preston), 1811-1893
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Owen, Reginald, 1887-1972
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Published anonymously (signed as HJ) - Public Domain
Thomson, John Millar, 1849-1933
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Eskola, Pentti, 1883-1964
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Lorenzo di Credi, approximately 1460-1537
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Jean II, de Bourbon, 1426-1488
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Jeremiah van der Eyden - Public Domain
Rutland, Roger Manners, Earl of, 1576-1612
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William Lindsay Windus - Public Domain
Windus, William Lindsay (British painter, 1822-1907)
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Public Domain
Carpenter, F.B. (Francis Bicknell), 1830-1900
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מוטי קיקיון. -
Zach, Nathan, 1930-....
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Janssen, Jules, 1824-1907
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Sorjello - CC BY-SA 3.0
Peters, Nancy J. (Nancy Joyce)