Image from Wikimedia Commons
Larry W. Howe - CC BY 4.0
Felipe Guamán Poma de Ayala - Public Domain
User Alcinoe - Public Domain
Joseph Kriehuber - Public Domain
Mathew Brady - Public Domain
Philip Crellin - Public Domain
MN1(SW) Ken Lopez - CC BY 2.0
Mark Coggins - CC BY 2.0
Unbekannter Fotograf der Epoche. - Public Domain
not stated - Public Domain
Anonymous via collection of Bojan Brecelj -
Nv8200p - CC BY-SA 3.0
Claudenw - CC BY-SA 3.0
Xavier Thomas - CC BY-SA 3.0
unknown - Public Domain
Pedro Durante - Public Domain
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Géricault, Théodore, 1791-1824
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Perry, Gaylord
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Larry W. Howe - CC BY 4.0
Howe, Linda Moulton
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Felipe Guamán Poma de Ayala - Public Domain
Guamán Poma de Ayala, Felipe, active 1613
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User Alcinoe - Public Domain
Riley, Charles V. (Charles Valentine), 1843-1895
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Joseph Kriehuber - Public Domain
Nicolai, Otto, 1810-1849
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Lewis, Estelle Anna Robinson, 1824-1880
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Mathew Brady - Public Domain
Walter, Thomas Ustick, 1804-1887
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Philip Crellin - Public Domain
Davidson, Samuel, 1806-1898
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MN1(SW) Ken Lopez - CC BY 2.0
Hill, Charles, 1936-....
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Cowens, David W., 1948-
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Mark Coggins - CC BY 2.0
Estleman, Loren D.
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Miller, Carol, 1950-
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Bell, Ken
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Unbekannter Fotograf der Epoche. - Public Domain
Prager, Willy, 1877-1956
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not stated - Public Domain
Paul, C. Kegan (Charles Kegan), 1828-1902
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Morrison, Herbert, 1888-1965
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Anonymous via collection of Bojan Brecelj -
Ringling, Alfred, 1861-1919
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Nv8200p - CC BY-SA 3.0
Cheuse, Alan.
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Claudenw - CC BY-SA 3.0
Warren, Claude N., 1932-
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Feuerbach, Anselm Friedrich, 1829-1880
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Sappho
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Stresemann, Gustav, 1878-1929
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Filla, Emil
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Turnage, Allen Hal, 1891-1971
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Tydings, Millard E. (Millard Evelyn), 1890-1961
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Xavier Thomas - CC BY-SA 3.0
Aznavour, Charles
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unknown - Public Domain
Díaz Soto y Gama, Antonio
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Pedro Durante - Public Domain
Sáenz, Manuela, 1797?-1856
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Duni, Egidio, 1708-1775