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US Government Printing Office - Public Domain
Thomas Hudson - Public Domain
Unbekannter Grafiker der Epoche - Public Domain
unknown - Public Domain
Public Domain
unknown -
GFHund - CC BY 3.0
Sempre&sempre - CC BY-SA 3.0
NBC Blue Network - Public Domain
Filson Historical Society - Public Domain
Mathew Brady - Public Domain
Svenska dagbladets årsbok 1924 - Public Domain
Guy et Mockel (Pierre Mockel) - Public Domain
White House photo by Chris Greenberg - Public Domain
Photo Division, Ministry of Information & Broadcasting, Government of India - Public Domain
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Aylon, Hélène 1931-
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Salgado, Sebastiăo, 1944-
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Matthew, Tobias, 1546-1628
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Peter, Martha Parke Custis, 1777-1854
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US Government Printing Office - Public Domain
McDowell, Harris B. (Harris Brown), 1906-1988
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Thomas Hudson - Public Domain
Anson, George Anson, baron, 1697-1762
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Unbekannter Grafiker der Epoche - Public Domain
Nefftzer, Auguste, 1820-1876
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unknown - Public Domain
Rives, Alfred Landon, 1830-1903
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Public Domain
Hanlon, Ned, 1857-1937
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Barr, Amelia E., 1831-1919
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unknown -
Ludwig, Carl, 1816-1895
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GFHund - CC BY 3.0
Minkowski, Rudolf 1895-1976
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Bryant, Henry, 1820-1867
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Vogt, Karl Christoph, 1817-1895
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Denning, Peter J., 1942-....
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Sempre&sempre - CC BY-SA 3.0
Vittorini, Domenico.
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NBC Blue Network - Public Domain
Wheeler, Bert, 1895-1968
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Perkins, George Hamilton, 1835-1899
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Filson Historical Society - Public Domain
Speed, Joshua F. (Joshua Fry), 1814-1882
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Mathew Brady - Public Domain
Bellows, Henry W. (Henry Whitney), 1814-1882
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Gauguin, Paul, 1848-1903
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unknown - Public Domain
Beckwith, Charles, 1789-1862
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Donlin, Mike
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Monti, Maria
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Svenska dagbladets årsbok 1924 - Public Domain
Nordenskiöld, Erland, 1877-1932
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Public Domain
Palmer, William, 1906-1987
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Guy et Mockel (Pierre Mockel) - Public Domain
Redon, Odilon, 1840-1916
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Holbrook, John Edwards, 1794-1871
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White House photo by Chris Greenberg - Public Domain
Brown, Sarah, 1963-
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Photo Division, Ministry of Information & Broadcasting, Government of India - Public Domain
Dodds, Harold W. (Harold Willis), 1889-1980