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Public Domain
anonymous - Public Domain
Unknown - Public Domain
Alexandros Kleidonas - Αλέξανδρος Κλειδωνάς - CC BY-SA 3.0
Bewareaelk - CC BY 3.0
Antonio Escobar - CC BY-SA 4.0
Igbochild - CC BY 3.0
Painter and engraver unknown; subject died in 1821 - Public Domain
Jean - CC BY 2.0
original photographer unknown, retouched by Tim Ross - Public Domain
Photographer not named. - Public Domain
Hartley Webster - Public Domain
Torben Åndal - CC BY 3.0
Henry Bryan Hall, Sr. - Public Domain
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Bailey, Theodorus, 1805-1877
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Chaney, Lon, Jr., 1906-1973
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Public Domain
Lever, Hayley, 1875-1958
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Price, David Eugene
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anonymous - Public Domain
Leo XII, Pope, 1760-1829
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Unknown - Public Domain
Diogenes, Laertius
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Alexandros Kleidonas - Αλέξανδρος Κλειδωνάς - CC BY-SA 3.0
Craxton, John
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Bewareaelk - CC BY 3.0
Murphy, Róisín, 1973-
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Ben-Haim, Zigi, 1945-
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Unknown - Public Domain
Drake, J. Madison (James Madison), 1837-1913
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Antonio Escobar - CC BY-SA 4.0
Rodríguez, Roberto, active 1976-
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Igbochild - CC BY 3.0
Smith, Ernie
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Struve, Petr Berngardovich, 1870-1944
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Painter and engraver unknown; subject died in 1821 - Public Domain
Lee, Ezra, 1749-1821
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Jean - CC BY 2.0
Anderson, Richard Dean
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Armstead, Henry Hugh, 1828-1905
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Clifford, Edward, 1844-1907
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Cock, Hieronymus, Vda. de fl. 1570-1600
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Mayenne, Charles de Lorraine, Duc de, 1554-1611
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Brunschwig, Hieronymus, approximately 1450-approximately 1512
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original photographer unknown, retouched by Tim Ross - Public Domain
Loomis, Mahlon, 1826-1886
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Pieck, Wilhelm, 1876-1960
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Commerell, John Edmund
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Photographer not named. - Public Domain
Christensen, Lars, 1884-
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Hartley Webster - Public Domain
Von Tempsky, G. F. (Gustavus Ferdinand), 1828-1868
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Vinkeles, Reinier, 1741-1816
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Dennis, Sandy, 1937-1992
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Torben Åndal - CC BY 3.0
Reumert, Jane, 1942-....
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Bates, Joseph, 1792-1872
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Henry Bryan Hall, Sr. - Public Domain
Febiger, Christian, 1746-1796