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Karl August Büchel - Public Domain
US Government Printing Office (Washington, DC), publisher. - Public Domain
Judson Strong, author. Fred K. L. Chapman, editor. World's Events Company (Chicago, IL), publisher. - Public Domain
U.S. Navy - Public Domain
Original uploader was :ru:Iponomarev - Public Domain
Schaeffer Studio - Public Domain
Nicolas Bacri - CC0 1.0
unknown - Public Domain
Fratelli d´Alessandri Rom - Public Domain
Rodolphe Piguet d'après Alexandre d'Albert-Durade - Public Domain
Bluedog423 - Public Domain
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Goldmann, Nahum, 1895-1982
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original uploader - Public Domain
Porras, Belisario, 1856-1942
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Blumenbach, Johann Friedrich, 1752-1840
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Karl August Büchel - Public Domain
Hall, Radclyffe, 1886?-1943
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US Government Printing Office (Washington, DC), publisher. - Public Domain
Marcantonio, Vito, 1902-1954
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Nollet, abbé (Jean Antoine), 1700-1770
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Spivak, Charlie
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Judson Strong, author. Fred K. L. Chapman, editor. World's Events Company (Chicago, IL), publisher. - Public Domain
Bingham, Theo. A. (Theodore Alfred), 1858-1934
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Reverdin, J.-L. (Jacques-Louis), 1842-1929
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U.S. Navy - Public Domain
Fairfield, Arthur Philip, 1877-1946
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Original uploader was :ru:Iponomarev - Public Domain
Novgorodsev, Seva
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Reynolds, J. Russell (John Russell), Sir, 1828-1896
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Schaeffer Studio - Public Domain
Raney, Wayne, 1920-
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Nicolas Bacri - CC0 1.0
Bacri, Nicolas
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Martineau, Harriet, 1802-1876
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unknown - Public Domain
Patten, Edward J. (Edward James), 1905-1994
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Fratelli d´Alessandri Rom - Public Domain
Caterini, Prospero 1795-1881
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unknown - Public Domain
Lagrange, J.L. (Joseph Louis), 1736-1813
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unknown - Public Domain
Eliot, Thomas D. (Thomas Dawes), 1808-1870
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Schücking, Walther, 1875-1935
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Rodolphe Piguet d'après Alexandre d'Albert-Durade - Public Domain
Soret, Frédéric Jacob, 1795-1865
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Newcastle, Henry Pelham Fiennes Pelham Clinton, Duke of, 1785-1851
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Wauchope, Arthur Grenfell, 1874-1947
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Tadolini, Eugenia 1808-1872?
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Clements, Vassar
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Hagin, Kenneth E., 1917-....
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Petrarca, Francesco, 1304-1374
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Bluedog423 - Public Domain
Keohane, Nannerl O., 1940-....
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Brown, Clarence J., 1893-1965
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Brassey, Thomas Brassey, Earl, 1836-1918