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:w:Lodovico Vedriani - Public Domain
Contemporary portrait - Public Domain
unknown - Public Domain
Russell & Sons - Public Domain
Berthe MM - CC BY-SA 3.0
David Shankbone - CC BY 2.0
Harris & Ewing, photographer - Public Domain
Public Domain
Who-When-What Company - Public Domain
Sigma Chi Fraternity - Public Domain
Peterappelros - Public Domain
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:w:Lodovico Vedriani - Public Domain
Barozzi, Francesco, 1537-1604
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Kunzen, Friedrich Ludwig Aemilius, 1761-1817
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Coddington, William, 1601-1678
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Contemporary portrait - Public Domain
Madison, James, 1749-1812
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Mitcham, Carl.
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unknown - Public Domain
Stuart, George Okill, 1776-1862
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Russell & Sons - Public Domain
Li, Hongzhang, 1823-1901
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Menard, Henry W. (Henry William), 1920-1986
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Sherard, Robert Harborough, 1861-1943
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Chanfrau, Frank, 1824-1884
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unknown - Public Domain
Hanbury, Thomas, sir, 1832 -1907
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Taddei, Giuseppe
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Berthe MM - CC BY-SA 3.0
Monory, Jacques, 1934-....
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David Shankbone - CC BY 2.0
Leguizamo, John
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Lau, Andy, 1961-....
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Harris & Ewing, photographer - Public Domain
Du Pont, H. A. (Henry Algernon), 1838-1926
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Werber, Bill, 1908-2009
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Public Domain
Chafee, John H., 1922-1999
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Tyson, Neil deGrasse, 1958-
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unknown - Public Domain
Carpenter, George W. (George Washington), 1802-1860
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Clay, James B. (James Brown), 1817-1864
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Who-When-What Company - Public Domain
Luers, John Henry, 1819-1871
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Pils, Isidore, 1813-1875
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Ballard, Florence, 1943-1976
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Halifax, Charles Montagu, Earl of, 1661-1715
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Russell of Killowen, Charles Russell, baron, 1832-1900
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Sigma Chi Fraternity - Public Domain
Meiklejohn, George D. (George de Rue), 1857-1929
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unknown - Public Domain
Verbeek, Gustave, 1867-1937
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Peterappelros - Public Domain
Ameling, Elly.
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Public Domain
Blanchard, Newton C. (Newton Crain), 1849-1922