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original uploader - CC BY 3.0
Public Domain
Unknown artist after a 16th-century portrait - Public Domain
Gleb.svechnikov - CC BY-SA 4.0
original uploader - Public Domain
Painted by Albert Rosenthal (1863–1939), copyist, after w:Francis Martin Drexel - Public Domain
Isaac Hutton - Public Domain
unknown - Public Domain
Jmhullot - CC BY 3.0
PSI staff - Public Domain
Josephvatter - CC BY-SA 4.0
Charles Reutlinger Upload, stitch and restoration by Jebulon - Public Domain
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Rodgers, Bill, 1947-
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Buntline, Ned, 1822 or 1823-1886
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original uploader - CC BY 3.0
Manos, Constantine
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Hériat, Philippe, 1898-1971
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Bleecker, Ann Eliza, 1752-1783
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Public Domain
Clarke, Frederick J. (Frederick James), 1915-2002
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Unknown artist after a 16th-century portrait - Public Domain
Aylmer, John, 1521-1594
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Poling, Virginia S., 1911-
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Gleb.svechnikov - CC BY-SA 4.0
Curry, Haskell B. (Haskell Brooks), 1900-1982
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Judd, Ashley
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original uploader - Public Domain
Musco, Angelo, 1871-1937
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Painted by Albert Rosenthal (1863–1939), copyist, after w:Francis Martin Drexel - Public Domain
Harison, Richard, 1747-1829
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Dobrowolski, Antoni Bolesław, 1872-1954
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Cochran, Jacqueline, 1906?-1980
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Isaac Hutton - Public Domain
Ten Broeck, Dirck, 1765-1833
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Boissieu, Jean-Jacques de 1736-1810
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unknown - Public Domain
Murger, Henri, 1822-1861
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unknown - Public Domain
Keith, Hastings, 1915-2005
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Curtice, Harlow Herbert, 1893-1962
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Jmhullot - CC BY 3.0
Berganza, Teresa
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Public Domain
Shippey, Lee, 1884-
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unknown - Public Domain
Fuller, George, 1822-1884
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Simmons, Jean, 1929-2010
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PSI staff - Public Domain
Nenni, Pietro, 1891-1980
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Mairan, Dortous de, 1678-1771
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unknown - Public Domain
Bathori, Jane, 1877-1970
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Josephvatter - CC BY-SA 4.0
Hod, Nir
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Charles Reutlinger Upload, stitch and restoration by Jebulon - Public Domain
Slane, William MacGuckin, baron de, 1801-1878
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Frosch, Robert A. (Robert Alan), 1928-
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Lukas, Paul, 1894-1971