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Historyk - CC BY-SA 3.0
U.S. Air Force - Public Domain
Johnson, Salt Lake - Public Domain
Frank Chapin Bray, ed. - Public Domain
unknown. Upload, stitch and restoration by Jebulon - Public Domain
anonymous - Public Domain
Public Domain
Dick DeMarsico, World Telegram staff photographer - Public Domain
L. Perini - Public Domain
Adrian Piper - CC BY-SA 3.0
Anefo - CC0 1.0
artwork: unknown; scan: Concord - Public Domain
Johndesmarteau - CC BY-SA 4.0
Bertrand Meyer -
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Martin, John, 1812-1875
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Historyk - CC BY-SA 3.0
Dedecius, Karl
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U.S. Air Force - Public Domain
Taylor, Robert P. (Robert Preston), 1909-1997
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Jędrzejewicz, Wacław, 1893-1993
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King, Zalman
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Capern, Edward, 1819-1894
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Moberly, George, 1803-1885
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Gates, Anthony
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Johnson, Salt Lake - Public Domain
Gates, Susa Young, 1856-1933
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Hubbard, Louisa M., 1836-1906
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Frank Chapin Bray, ed. - Public Domain
Alden, Cynthia May Westover, 1862-1931
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unknown. Upload, stitch and restoration by Jebulon - Public Domain
Couder, Louis-Charles-Auguste, 1790-1873
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Euler, Leonhard
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anonymous - Public Domain
Bekker, Paul, 1882-1937
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Public Domain
Paige, Calvin DeWitt, 1848-1930
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Villemessant, H. de (Hippolyte), 1812-1879
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Dick DeMarsico, World Telegram staff photographer - Public Domain
Anderson, Margaret Iretta Parker, 1886-1970
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Vanbrugh, Irene, 1872-1949
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Stephen, E. (Edward), 1822-1885
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Smith, Charles Roach, 1807-1890
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L. Perini - Public Domain
Gully, James Manby, 1808-1883
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Adrian Piper - CC BY-SA 3.0
Piper, Adrian, 1948-....
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Kramskoĭ, Ivan Nikolaevich, 1837-1887
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Anefo - CC0 1.0
McLean, Franklin C. (Franklin Chambers), 1888-
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artwork: unknown; scan: Concord - Public Domain
Szold, Benjamin, 1829-1902
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Johndesmarteau - CC BY-SA 4.0
Hautzig, Walter
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Bertrand Meyer -
Gurevich, Yuri.
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Frederick William I, King of Prussia, 1688-1740
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Coindet, Jean-François, 1774-1834
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Debret, François, 1777-1850