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unknown - Public Domain
Jan Vilímek - Public Domain
George Irving Reed, editor. Century Publishing and Engraving (Chicago), publisher. - Public Domain
Dmitrismirnov - CC BY-SA 3.0
US War Department - Public Domain
Ibsan73 - CC BY 2.0
Public Domain
Ray V. Pierce - Public Domain
Esprqii - CC BY-SA 3.0
Roferbia - CC BY-SA 4.0
Gabriel Sozzi - CC BY-SA 4.0
Gage Skidmore - CC BY-SA 3.0
Alain Chartier & a 15th century illustrator - Public Domain
Dabit100 - CC BY-SA 3.0
US-amerikanischen Bundesregierung - Public Domain
Public domain - Public Domain
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unknown - Public Domain
Wynne, Sarah Edith, Eos Cymru, 1842-1897
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Jan Vilímek - Public Domain
Tichatschek, Josef, 1807-1886
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George Irving Reed, editor. Century Publishing and Engraving (Chicago), publisher. - Public Domain
Uhl, Edwin F.
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Dmitrismirnov - CC BY-SA 3.0
Gubaidulina, Sofia
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US War Department - Public Domain
Gere, Thomas Parke, 1842-1912
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Irwin, Bernard John Dowling, 1830-1917
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Ibsan73 - CC BY 2.0
Parker, Nathaniel, 1962-
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Public Domain
Clarke, Alexander Ross, 1828-1914
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Ray V. Pierce - Public Domain
Pierce, R. V. (Ray Vaughn), 1840-1914
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Galiani, Ferdinando, 1728-1787
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Esprqii - CC BY-SA 3.0
Hamerton-Kelly, Robert
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Anatsui, El, 1944-
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Roferbia - CC BY-SA 4.0
Lastra, Pedro
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Gabriel Sozzi - CC BY-SA 4.0
Brown, Raymond Edward
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Public Domain
Trumpeldor, Joseph, 1880-1920
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Wilson, Robert Woodrow, 1936-....
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Delesse, A. (Achille), 1817-1881
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Witherspoon, Reese, 1976-....
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Walker, Francis, 1764-1806
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Gage Skidmore - CC BY-SA 3.0
Beaver, Jim, 1950-
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Alain Chartier & a 15th century illustrator - Public Domain
Chartier, Alain, active 15th century
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Dabit100 - CC BY-SA 3.0
Maldonado, Pedro (Pedro Vicente), 1704-1748
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US-amerikanischen Bundesregierung - Public Domain
Bonanno, Joseph, 1905-
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Pournelle, Jerry, 1933-....
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Gómez Farías, Valentín, 1781-1858
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Tenzer, Michael
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Del Rio, Dolores, 1905-1983
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Public domain - Public Domain
Orde, Cuthbert Julian (English painter, 1888-1968)
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Savage, Michael Joseph, 1872-1940
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Jaffee, Al