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unknown - Public Domain
Georges Biard - CC BY-SA 3.0
Public Domain
caption says, "Photograph, Marius, Paris" - Public Domain
Conder, C. R. (Claude Reignier), 1848-1910 - Public Domain
http://picasaweb.google.com/johnearls - CC BY-SA 2.0
US gov - Public Domain
Henry Jones Thaddeus (1859–1929) - Public Domain
PIerre.Lescanne - CC BY-SA 4.0
Bdsny - CC BY-SA 4.0
Steveewatkins - CC BY-SA 4.0
Boston9 - CC BY-SA 3.0
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unknown - Public Domain
Stöckhardt, Julius Adolph, 1809-1886
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unknown - Public Domain
Wilberforce, Henry William, 1807-1873
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Ponsonby, Frederick Cavendish, 1783-1838
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Georges Biard - CC BY-SA 3.0
McAvoy, James, 1979-....
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Calmette, Gaston, 1858-1914
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Saigyō, 1118-1190
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Smith, Matilda, 1854-1926
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Egaña, Mariano, 1793-1846
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Stone, Eben F. (Eben Francis), 1822-1895
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Public Domain
Notovitch, Nicolas, 1858-
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Daubeny, Charles, 1795-1867
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Kraus, Karl, 1874-1936
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caption says, "Photograph, Marius, Paris" - Public Domain
Doumic, René, 1860-1937
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Vaszary, János, 1867-1939
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Conder, C. R. (Claude Reignier), 1848-1910 - Public Domain
Robinson, Edward, 1794-1863
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http://picasaweb.google.com/johnearls - CC BY-SA 2.0
Ryan, Bob, 1946-
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US gov - Public Domain
Bradley, Stephen Row, 1754-1830
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Vanuxem, Lardner, 1792-1848
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Cross, Howard, 1967-
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Henry Jones Thaddeus (1859–1929) - Public Domain
Thaddeus, Henry Jones, 1859-1929
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Murri, Augusto, 1841-1932
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PIerre.Lescanne - CC BY-SA 4.0
Backus, John W., 1924-2007
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Bdsny - CC BY-SA 4.0
Budi Darma, 1937-
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Watson, Johnny Guitar 1935-1996
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Steveewatkins - CC BY-SA 4.0
Baker, Walter R. G. 1892-1960
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unknown - Public Domain
Fletcher, Richard, 1788-1869
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Boston9 - CC BY-SA 3.0
Kropiwnicki, Jerzy, 1945-
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Lefévre-Gineau, Louis, 1751-1829
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Wilson, William A., 1914-2009
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Atwood, John Leland, 1904-