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Mingusboodle - Public Domain
Unknown painter - Public Domain
unknown - Public Domain
Bain News Service; Restored by Adam Cuerden - Public Domain
Public Domain
Creencia05 - CC BY-SA 4.0
User Gerald Farinas - Public Domain
Donna Olmstead - CC BY-SA 3.0
Renato Marto - CC BY 3.0
Frank Schneider (1881-1935), based on a (now lost?) painting by George Catlin. - Public Domain
Elsadorfman - CC BY-SA 3.0
jlggb - CC BY 2.0
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Mingusboodle - Public Domain
Bowman, Joseph, 1752-1782
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Unknown painter - Public Domain
Bochart, Samuel, 1599-1667
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Göring, Hermann, 1893-1946
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unknown - Public Domain
Ritchie, Thomas, 1778-1854
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Ashmun, J. (Jehudi), 1794-1828
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Jackson, Rachel, 1767-1828
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Albert, Barbara, 1970-
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Hobart-Hampden, Augustus Charles, 1822-1886
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Bain News Service; Restored by Adam Cuerden - Public Domain
Reiss, Albert, 1870-1940
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Public Domain
Burke, Edward R. (Edward Raymond), 1880-1968
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unknown - Public Domain
Wartel, Pierre Francois
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Leistikow, Walter, 1865-1908
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Daly, Tim, 1956-
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Creencia05 - CC BY-SA 4.0
Levay, Silvester
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User Gerald Farinas - Public Domain
Bingham, Hiram, 1875-1956
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Wald, Lillian D., 1867-1940
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Donna Olmstead - CC BY-SA 3.0
Ostrander, John.
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Gabrie͏̈l, Paul Joseph Constantin 1828-1903
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Babbitt, Bruce E.
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Hensel, Paul Hugo Wilhelm, 1860-1930
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Renato Marto - CC BY 3.0
Medina, Daniel, 1978-
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Ley, Willy, 1906-1969
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Barkhausen, H. (Heinrich), 1881-
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Forbes, John, Sir, 1787-1861
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Frank Schneider (1881-1935), based on a (now lost?) painting by George Catlin. - Public Domain
Laveau, Marie, 1801-1881
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Elsadorfman - CC BY-SA 3.0
Tate, James, 1943-....
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unknown - Public Domain
Zhang, Tingyu, 1672-1755
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jlggb - CC BY 2.0
Vilar, Jean, 1912-1971
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Hernández, Juano 1901-1970
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Whitelocke, John, 1757-1833