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WilsonBall - CC BY-SA 4.0
Tacopopcorn123 - CC BY-SA 4.0
National Information and Communication Agency<br/> - Public Domain
Public Domain
Stephencdickson - CC BY-SA 4.0
Jeffrey Kluger is the owner and holder of sole exclusive copyright to the photo. - CC BY-SA 3.0
BiblioArchives / LibraryArchives - CC BY 2.0
anonymous - Public Domain
Saint-Mémin, Charles Balthazar Julien Fevret de, 1770-1852, artist - Public Domain
unknown - Public Domain
unknown photographer - Public Domain
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original uploader - CC BY-SA 3.0
Egorov, Youri
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WilsonBall - CC BY-SA 4.0
Burgon, Geoffrey
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Bunning, Jim, 1931-
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Ibsen, Sigurd, 1859-1930
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Tacopopcorn123 - CC BY-SA 4.0
Babbit, Jamie, 1970-....
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National Information and Communication Agency<br/> - Public Domain
Wahid, Abdurrahman, 1940-2009
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Reyes y Florentino, Isabelo de los 1864-1938
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Connolly, James Austin, 1843-1914
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Public Domain
McConnell, William John, 1839-1925
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Fiéschi, Gian Luigi, conte di Lavagna, 1522-1547
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Priestley, W. O. (William Overend), 1831-1900
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Durbin, Deanna
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Ramsay, Hugh, 1877-1906
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Public Domain
Brimmer, Martin, 1793-1847
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Stephencdickson - CC BY-SA 4.0
Hibbert, George, 1757-1837
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Jeffrey Kluger is the owner and holder of sole exclusive copyright to the photo. - CC BY-SA 3.0
Kluger, Jeffrey.
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Apollo 11 (Spacecraft)
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Massie, Nathaniel, 1763-1813
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Turner, Francis, 1638?-1700
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Ogle, Charles, 1775-1858
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Christian I, Prince of Anhalt-Bernburg, 1568-1630
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Douglas, Lewis W. (Lewis Williams), 1894-1974
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anonymous - Public Domain
Carli, Mario, 1889-1935
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Clarke, John D. (John Davenport), 1873-1933
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Saint-Mémin, Charles Balthazar Julien Fevret de, 1770-1852, artist - Public Domain
Winder, William Henry, 1775-1824
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Maraini, Fosco.
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Sade, marquis de, 1740-1814
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unknown - Public Domain
Dethick, Gilbert, 1499 or 1500-1584
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unknown photographer - Public Domain
Abramovitch, Raphael R., 1880-1963
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Freier, Recha