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National Archives and Records Administration, identifier #12170786 (local identifier #64-NA-2352a-c) - Public Domain
Louis-Marie Normand (1789-1874) - Public Domain
w:Rajasekharan Parameswaran - CC BY-SA 3.0
unknown - Public Domain
Jan Vilímek - Public Domain
David Shankbone - CC BY 2.5
Greg Hernandez at https://www.flickr.com/photos/greginhollywood/ - CC BY 2.0
Walter Stoneman - CC BY 3.0
Uyvsdi - Public Domain
David Shankbone - CC BY 3.0
Milburn-McCarty Public Relations - Public Domain
Elen Nivrae - CC BY 2.0
Augustus Washington - Public Domain
James Kavallines, photographer;<br/> Image cropped by Wars - Public Domain
John Watkins - Public Domain
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Ure, Andrew, 1778-1857
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National Archives and Records Administration, identifier #12170786 (local identifier #64-NA-2352a-c) - Public Domain
Posner, Ernst.
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Louis-Marie Normand (1789-1874) - Public Domain
Papety, Dominique, 1815-1849
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w:Rajasekharan Parameswaran - CC BY-SA 3.0
Makhmalbāf, Samīrā, 1980-
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Verrett, Shirley
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Ball, Alan, 1957-....
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unknown - Public Domain
Parkhurst, John Adelbert, 1861-1925
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Jan Vilímek - Public Domain
Wierusz-Kowalski, Alfred Jan Maksymilian, 1849-1915
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David Shankbone - CC BY 2.5
Talese, Gay
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Greg Hernandez at https://www.flickr.com/photos/greginhollywood/ - CC BY 2.0
Dussault, Nancy
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Rolfe, Frederick, 1860-1913
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Baillie, Matthew, 1761-1823
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Walter Stoneman - CC BY 3.0
Baillie, J. B. (James Black), Sir, 1872-1940
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Gregory, William Henry, Sir, 1817-1892
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Uyvsdi - Public Domain
Hogan, Linda
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David Shankbone - CC BY 3.0
Zedd, Nick
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Milburn-McCarty Public Relations - Public Domain
Rockwell, Robert, 1920-2003
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Elen Nivrae - CC BY 2.0
Friedkin, William, 1935-
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Lorm, Hieronymus, 1821-1902
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Qaddafi, Muammar
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Augustus Washington - Public Domain
Priest, James M., -1883
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Arbore, Z. C. (Zamfir C.), 1848-1933
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unknown - Public Domain
Smith, Edward H. (Edward Hanson), 1889-1961
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Carradine, Keith, 1949-
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Penn, William, Sir, 1621-1670
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unknown - Public Domain
Tregelles, Samuel Prideaux, 1813-1875
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James Kavallines, photographer;<br/> Image cropped by Wars - Public Domain
Morrissey, Paul
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John Watkins - Public Domain
Stansfeld, James
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Whitney, Daniel, 1795-1862
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Stephan G. Stephansson (Stephan Guðmundsson Stephansson), 1853-1927