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various - CC BY 4.0
The Pennsylvania Academy of the Fine Arts - Public Domain
David West -
Polygoon Hollands Nieuws - CC BY-SA 3.0
Edward Hawke Locker - Public Domain
Markbernardturner - CC BY-SA 3.0
MEDEF - CC BY-SA 2.0
- - Public Domain
Public Domain
Mathew Brady Levin Corot Handy - Public Domain
United States Office of Humanities - Public Domain
Anonymous - Public Domain
unknown photographer - Public Domain
Contributor: - Public Domain
JC Chauss Studio, St. Louis - Public Domain
George M. Bergman, copyright is with MFO - CC BY-SA 2.0
CBS Television - Public Domain
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various - CC BY 4.0
Millward, Jessie, 1861-1932
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The Pennsylvania Academy of the Fine Arts - Public Domain
Stephens, Frank, 1859-1935
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David West -
Richardson, Dorothy M. (Dorothy Miller), 1873-1957
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Polygoon Hollands Nieuws - CC BY-SA 3.0
Breuer, Marcel, 1902-1981
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Edward Hawke Locker - Public Domain
Garnerin, André Jacques, 1769-1823
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Markbernardturner - CC BY-SA 3.0
Turner, Mark, 1954-....
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MEDEF - CC BY-SA 2.0
Dassier, Jean-Claude
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Ketter, Clay, 1961-....
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- - Public Domain
Becanus, Martinus, 1563-1624
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Hölderlin, Friedrich, 1770-1843
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Public Domain
Brown, Hank, 1940-
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Clausewitz, Carl von 1780-1831
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Gray, Gilda
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Public Domain
Mountain, George J. (George Jehoshaphat), 1789-1863
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Mathew Brady Levin Corot Handy - Public Domain
Mitchell, John H. (John Hipple), 1835-1905
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United States Office of Humanities - Public Domain
Leach, James, 1942-
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Clarkson, Matthew, 1733-1800
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Campbell, Beatrice, 1922-1979
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Gish, Dorothy
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Anonymous - Public Domain
Sherman, Harold M. (Harold Morrow), 1898-1987
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Martin, Paul S., (Paul Schultz), 1928-2010
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unknown photographer - Public Domain
Crosland, Alan, 1894-1936
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Contributor: - Public Domain
Baumé, Antoine, 1728-1804
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JC Chauss Studio, St. Louis - Public Domain
Crunden, Frederick Morgan, 1847-1911.
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George M. Bergman, copyright is with MFO - CC BY-SA 2.0
Alperin, J. L.
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Ramsay, Erskine, 1864-1953
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Sherard, Robert Harborough, 1861-1943
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CBS Television - Public Domain
Bologna, Joseph
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Ligonier, John, 1680-1770
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Chevalier, Albert, 1861-1923