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Henry W. and Albert A. Berg Collection of English and American Literature - Public Domain
Diaz y Spencer - Public Domain
User at project link - Public Domain
Department of Defense. American Forces Information Service. Defense Visual Information Center. - Public Domain
Unknown / Oslo Museum - CC BY-SA 4.0
Mathew Brady - Public Domain
unknown - Public Domain
Trevor - CC BY-SA 2.0
here - Public Domain
Coburn, Alvin Langdon, 1882-1966 -- Photographer - Public Domain
US Government Printing Office - Public Domain
unknown photographer - CC BY-SA 4.0
Steve Rogers at https://www.flickr.com/photos/b-s_r - CC BY-SA 2.0
Cham (Amédée de Noé) - Public Domain
Unknown, British (English) School - Public Domain
8podi - CC BY-SA 3.0
Martina Judt -
NASA - Public Domain
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Henry W. and Albert A. Berg Collection of English and American Literature - Public Domain
O'Flaherty, Liam, 1896-1984
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Diaz y Spencer - Public Domain
Irisarri, Antonio José de 1786-1868
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User at project link - Public Domain
Blanchar, Pierre, 1892-1963
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Handy, Levin C. (Levin Corbin), 1855-1932
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Department of Defense. American Forces Information Service. Defense Visual Information Center. - Public Domain
Irvis, K. Leroy, 1919-2006
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Bryant, Gridley James Fox, 1816-1899
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Cabrillo, Juan Rodríguez, -1543
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Unknown / Oslo Museum - CC BY-SA 4.0
Brodal, Alf, 1910-....
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Mathew Brady - Public Domain
McDougall, J. A. (James Alexander), 1817-1867
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Stefanyk, Vasylʹ Semenovych, 1871-1936
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unknown - Public Domain
Balbo, Cesare, conte, 1789-1853
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Freiligrath, Ferdinand, 1810-1876
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Trevor - CC BY-SA 2.0
Plaskett, Joel, 1975-
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here - Public Domain
Meigs, Return Jonathan, 1740-1823
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Coburn, Alvin Langdon, 1882-1966 -- Photographer - Public Domain
Granville-Barker, Harley, 1877-1946
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US Government Printing Office - Public Domain
Edwards, Don, 1915-
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unknown photographer - CC BY-SA 4.0
Nicolaevsky, Boris I., 1887-1966
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Steve Rogers at https://www.flickr.com/photos/b-s_r - CC BY-SA 2.0
Harrelson, Woody
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Hook, Walter Farquhar, 1798-1875
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Cham (Amédée de Noé) - Public Domain
Bixio, Alexandre, 1808-1865
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Castaños, Francisco Javier, approximately 1756-1852
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unknown - Public Domain
Baudouin, Paul.
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Bentham, George, 1800-1884
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Muldoon, R. D. (Robert David), 1921-1992
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Hoge, Mrs. (Jane Currie Blaikie), 1811-1890
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Lupton, Thomas Goff, 1791-1873
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Unknown, British (English) School - Public Domain
Norris, John, Sir, 1547?-1597
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8podi - CC BY-SA 3.0
Padel, Ruth, 1946-....
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Martina Judt -
Hrdlicka, Alfred, 1928-2009
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NASA - Public Domain
Scully-Power, Paul, 1944-