Image from Wikimedia Commons
Jim.henderson - CC0 1.0
unknown -
unknown - Public Domain
Jac. de Nijs / Anefo -
Unknown military photographer - Public Domain
Acc. 90-105 - Science Service, Records, 1920s-1970s, Smithsonian Institution Archives - CC BY 2.0
Vories Academy - Public Domain
publicity photo, author unknown - Public Domain
Underwood & Underwood - Public Domain
Public Domain
Sally Thurston, the subject Hassler Whitney's daughter. - CC BY 3.0
Catriona Sparks - CC BY 2.0
William Roos - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Ch. Faber - Public Domain
fot. Boston9 - CC BY-SA 3.0
Frances Benjamin Johnston (1864-1952) - Public Domain
Image from Wikimedia Commons
Jim.henderson - CC0 1.0
McEntegart, Bryan J., 1893-1968
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unknown -
Eneström, G. (Gustaf), 1852-1923
Image from Wikimedia Commons
Kent Hughes, W. S. (Wilfrid Selwyn), Sir, 1895-1970
Image from Wikimedia Commons
unknown - Public Domain
Brent, Robert, 1764-1819
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Jac. de Nijs / Anefo -
Schell, Catherine
Image from Wikimedia Commons
Hall, James, 1811-1898
Image from Wikimedia Commons
Macnaghten, Melville L. (Melville Leslie), 1853-1921
Image from Wikimedia Commons
Unknown military photographer - Public Domain
Cole, William E. (William Edward), 1874-1953
Image from Wikimedia Commons
Acc. 90-105 - Science Service, Records, 1920s-1970s, Smithsonian Institution Archives - CC BY 2.0
Day, Edmund Ezra, 1883-1951
Image from Wikimedia Commons
Vories Academy - Public Domain
Vories, William Merrell, 1880-1964
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Gayarré, Charles, 1805-1895
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Norfolk, Henry Howard, Duke of, 1628-1684
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Stiller, Jerry
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Pistoletto, Michelangelo, 1933-
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Calderón Fournier, Rafael Angel 1949-
Image from Wikimedia Commons
publicity photo, author unknown - Public Domain
Ashton, Algernon
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Salvini, Tommaso, 1829-1915
Image from Wikimedia Commons
Underwood & Underwood - Public Domain
Snell, Bertrand Hollis, 1870-1958
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Public Domain
Gejdenson, Samuel, 1948-
Image from Wikimedia Commons
Sally Thurston, the subject Hassler Whitney's daughter. - CC BY 3.0
Whitney, Hassler
Image from Wikimedia Commons
Catriona Sparks - CC BY 2.0
Freeman, Pamela
Image from Wikimedia Commons
Rosenberger, Carol
Image from Wikimedia Commons
William Roos - Public Domain
Talhaiarn, 1810-1869
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Cannon, George Q. (George Quayle), 1827-1901
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Li, Shangyin, 813-858
Image from Wikimedia Commons
Ch. Faber - Public Domain
Singelée, Jean-Baptiste, 1812-1875
Image from Wikimedia Commons
Twomey, Paul, 1961-
Image from Wikimedia Commons
fot. Boston9 - CC BY-SA 3.0
Tatarkiewicz, Władysław, 1886-1980
Image from Wikimedia Commons
Weismann, August, 1834-1914
Image from Wikimedia Commons
Frances Benjamin Johnston (1864-1952) - Public Domain
Brewer, David J. (David Josiah), 1837-1910