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Judson Strong, author. Fred K. L. Chapman, editor. World's Events Company (Chicago, IL), publisher. - Public Domain
unknown - Public Domain
Alan Watts Foundation - CC BY-SA 4.0
Copyright 2007, S.M.S.I., Inc. - Owen Williams, The Kasparov Agency. -
Christoferos1111 - CC BY-SA 4.0
Nicolás de Kazan -
aomarks - CC BY-SA 3.0
NBC Television - Public Domain
"Archive at the Academy of Arts, Berlin / Duehrkopp" - Public Domain
after Marcus Gheeraerts the Younger - Public Domain
Gage Skidmore - CC BY-SA 3.0
Patriciamoore - CC BY-SA 4.0
Cullen328 - CC BY-SA 3.0
J. Hartmann, Bayreuth - Public Domain
George Romney - Public Domain
"Mishkin Photo" (Bain News Service, publisher) - Public Domain
Image from Wikimedia Commons
Judson Strong, author. Fred K. L. Chapman, editor. World's Events Company (Chicago, IL), publisher. - Public Domain
Bingham, Theo. A. (Theodore Alfred), 1858-1934
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unknown - Public Domain
McClure, Alexander K. (Alexander Kelly), 1828-1909
Image from Wikimedia Commons
Alan Watts Foundation - CC BY-SA 4.0
Watts, Alan, 1915-1973
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Copyright 2007, S.M.S.I., Inc. - Owen Williams, The Kasparov Agency. -
Kasparov, G. K. (Garri Kimovich)
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Christoferos1111 - CC BY-SA 4.0
Bogardus, Robert, 1771-1841
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Gull, William Withey, Sir, 1816-1890
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Ancillon, Charles, 1659-1715
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Whelan, Michael, 1950-
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Nicolás de Kazan -
Schouwen, Bautista van, 1943-1973
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Schwartz, Julius, 1915-2004
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aomarks - CC BY-SA 3.0
Eno, Brian, 1948-
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Gibson, Wynne, 1905-1987
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unknown - Public Domain
Swan, Timothy
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Crawford, William, 1732-1782
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NBC Television - Public Domain
Cahn, Sammy
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Pratt, Matthew, 1734-1805
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"Archive at the Academy of Arts, Berlin / Duehrkopp" - Public Domain
Heymann, Werner Richard, 1896-1961
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after Marcus Gheeraerts the Younger - Public Domain
Essex, Robert Devereux, Earl of, 1565-1601
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Gage Skidmore - CC BY-SA 3.0
Lawrence, Francis
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Patriciamoore - CC BY-SA 4.0
Moore, Arthur Cotton, 1935-
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Cullen328 - CC BY-SA 3.0
Hancock, Thomas, 1703-1764
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Ticho, Anna
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unknown - Public Domain
Rock, Joseph Francis Charles, 1884-1962
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J. Hartmann, Bayreuth - Public Domain
Mottl, Felix, 1856-1911
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Butler, Samuel, 1835-1902
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George Romney - Public Domain
Burgoyne, Montagu, 1750-1836
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"Mishkin Photo" (Bain News Service, publisher) - Public Domain
Melis, Carmen, 1885-1967
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Storer, Horatio Robinson, 1830-1922
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Orme, Robert, 1728-1801
Image from Wikimedia Commons
Bushnell, Nolan