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Taylor Holmes Productions / Metro Pictures Corporation - Public Domain
unknown - Public Domain
World Economic Forum - Remy Steinegger - CC BY-SA 2.0
Paul E. Morrow - CC BY-SA 2.5
Masoncheek - CC BY-SA 4.0
Michaël Bemelmans - CC BY-SA 4.0
United States Congress - Public Domain
signature on the engraving - Public Domain
Levkowalski - CC BY-SA 3.0
TonyTheTiger - CC BY-SA 3.0
ensceptico - CC BY 2.0
trailer screenshot (Columbia Pictures) - Public Domain
Michele Pekenino, engraver, after Jacob Eichholtz (1776-1842) - Public Domain
United States Senate Historical Office - Public Domain
Nv8200p - CC BY-SA 3.0
W. W. Munsell & Co. (New York, NY), publisher. - Public Domain
The United States of America - Public Domain
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Takagi, Yutaka
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Hildebrandsson, H. Hildebrand (Hugo Hildebrand), 1838-1925
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La Touche, Rose, 1848-1875
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Taylor Holmes Productions / Metro Pictures Corporation - Public Domain
Mackay, Elsie, 1894-1928
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unknown - Public Domain
Romme, Gilbert, 1750-1795
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World Economic Forum - Remy Steinegger - CC BY-SA 2.0
Harper, Stephen, 1959-....
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Gore, Robert W., 1937-
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Paul E. Morrow - CC BY-SA 2.5
Hodge, Harold C. (Harold Carpenter), 1904-
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Masoncheek - CC BY-SA 4.0
Friedman, Tom, 1965-....
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Gibson, Wilfrid Wilson, 1878-1962
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Serebri︠a︡kova, Zinaida Evgenʹevna, 1884-1967
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Santi, Giovanni, ca.1435-1494
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Chen, Julie
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Michaël Bemelmans - CC BY-SA 4.0
Lanoux, Victor, 1936-....
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United States Congress - Public Domain
Coverdell, Paul Douglas, 1939-2000
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Arliss, George, 1868-1946
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signature on the engraving - Public Domain
Harper, James, 1795-1869
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Levkowalski - CC BY-SA 3.0
Kowalski, Piotr, 1927-2004
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DeFazio, Peter, 1947-
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TonyTheTiger - CC BY-SA 3.0
Lattimore, Jonita E.
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ensceptico - CC BY 2.0
Hitchens, Christopher
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Bunge, N. Kh. (Nikolaĭ Khristianovich), 1823-1895
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trailer screenshot (Columbia Pictures) - Public Domain
Knox, Alexander
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Michele Pekenino, engraver, after Jacob Eichholtz (1776-1842) - Public Domain
Harlan, Richard, 1796-1843
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United States Senate Historical Office - Public Domain
Young, Richard Montgomery, 1798-1861
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Nv8200p - CC BY-SA 3.0
Barthelme, Steve
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W. W. Munsell & Co. (New York, NY), publisher. - Public Domain
Scranton, Joseph Augustine, 1838-1908
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The United States of America - Public Domain
Vandergriff, Tom J.
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Danckerts, Hendrick 1625-1679 ca.
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Magoun, George F. (George Frederic), 1821-1896