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Quicumque - Public Domain
unknown - Public Domain
original uploader - Public Domain
Prensa TV Pública - CC BY 2.0
anonymous -
Robert Boissard - Public Domain
National Photo Co. - Public Domain
unknown (crop by Abebenjoe - Public Domain
NASA - Public Domain
:en:Sulkhan Tsintsadze - Public Domain
General Georges-Henri-Victor Collot - Public Domain
Harris & Ewing - Public Domain
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Quicumque - Public Domain
Beaton, David, 1494-1546
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Burns, Edward, 1968-....
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unknown - Public Domain
Fessenden, Thomas Green, 1771-1837
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original uploader - Public Domain
Post, C. W. (Charles William), 1854-1914
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Ruffin, Edmund, 1794-1865
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Nardi, Gregorio, 1964-
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Prensa TV Pública - CC BY 2.0
Bauer, Tristán, 1959-
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anonymous -
Eisner, Pavel, 1889-1958
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Toledo, Francisco de 1515-1582
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Potter, Charles Francis, 1885-1962
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original uploader - Public Domain
Baird, David, 1839-
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Lance, George, 1802-1864
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Reise, Jay
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Robert Boissard - Public Domain
Chemnitz, Martin, 1522-1586
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Bell, H. C. P. (Harry Charles Purvis), 1851-1937
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National Photo Co. - Public Domain
McMillan, Thomas Sanders, 1888-1939
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unknown (crop by Abebenjoe - Public Domain
Coldwell, M. J. (Major James), 1888-1974
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Bullock, Matthew W. (Matthew Washington), 1882-1972
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unknown - Public Domain
Blatchley, W. S. (Willis Stanley), 1859-1940
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Irving, David John Cawdell, 1938-....
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unknown - Public Domain
Burnham, S. W. (Sherburne Wesley), 1838-1921
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unknown - Public Domain
Longuet, Charles
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NASA - Public Domain
Carpenter, M. Scott, 1925-2013
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:en:Sulkhan Tsintsadze - Public Domain
T︠S︡int︠s︡adze, Sulkhan, 1925-1991
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Sarony, Napoléon 1821-1896
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Farington, Joseph, 1747-1821
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General Georges-Henri-Victor Collot - Public Domain
Collot, Georges-Henri-Victor, 1750-1805
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Pablo de Santa Maria, Bishop of Burgos, approximately 1351-1435
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Harris & Ewing - Public Domain
Robb, Charles Henry, 1867-1939
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Alencar, José Martiniano de, 1829-1877