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Mack Sennett Studios - Public Domain
B. D. Maxham - Public Domain
Engraving by Johann Gottfried Scheffner (1765-1825) after the portait by Friedrich von Amerling (1803-1887) - Public Domain
Fred Palumbo, World Telegram staff photographer - Public Domain
... - Public Domain
Hans Holbein the Younger - Public Domain
unknown - Public Domain
Public domain - Public Domain
Many - Public Domain
no photographer named in original source - Public Domain
Foster's Photographic Gallery, Richmond VA - Public Domain
Portrait by Ambrose McEvoy (1878–1927). - Public Domain
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Mack Sennett Studios - Public Domain
Bevan, Billy, 1887-1957
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Stark, Jen 1983-
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Baxter, Percival Proctor, 1876-1969
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Jones, Richard M., 1892-1945
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Trémois, Pierre-Yves, 1921-....
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Claus, Émile 1849-1924
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B. D. Maxham - Public Domain
Thoreau, Henry David, 1817-1862
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Engraving by Johann Gottfried Scheffner (1765-1825) after the portait by Friedrich von Amerling (1803-1887) - Public Domain
Wölfl, Joseph, 1773-1812
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Requesens y de Zúniga, Luis de (1528-1576).
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Fred Palumbo, World Telegram staff photographer - Public Domain
Lasker, Mary
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... - Public Domain
Pearl, Raymond, 1879-1940
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Donnelly, Ruth, 1896-1982
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Stroński, Stanisław, 1882-1955
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Hans Holbein the Younger - Public Domain
Fisher, John, Saint, 1469-1535
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unknown - Public Domain
Kli︠u︡ev, Nikolaĭ Alekseevich, 1887-1937
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Public domain - Public Domain
Cauchy, Augustin Louis, baron, 1789-1857
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Roudebush, Richard L. (Richard Lowell), 1918-1995
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Many - Public Domain
Cavedoni, Celestino, 1795-1865
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Smith, Jeff, 1960 February 27-
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Epstein, Israel, 1915-2005
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Kelly, Edward, 1555-1595?
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Strong, Nehemiah, 1729-1807
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no photographer named in original source - Public Domain
Cabot, Ella Lyman
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Saint-Pierre, Bernardin de 1737-1814
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McMaster, William H. (William Henry), 1877-1968
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Skinner, Thomas G. (Thomas Gregory), 1842-1907
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McClernand, John A. (John Alexander), 1812-1900
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Foster's Photographic Gallery, Richmond VA - Public Domain
Braxton, A. Caperton (Allen Caperton), 1862-1914
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unknown - Public Domain
Compton, Henry, 1805-1877
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Portrait by Ambrose McEvoy (1878–1927). - Public Domain
David, Elizabeth, 1913-1992