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Андрей Романенко - CC BY-SA 3.0
original uploader -
CSG-Info - CC BY-SA 4.0
Unknown - Public Domain
Matthew Simon (trustee, Esther M. Zimmer Lederberg Estate) -
Nicolas Habert (graveur) + BastienM - CC BY-SA 3.0
Micahd - CC BY-SA 3.0
unknown - Public Domain
Robert Beyschlag - Public Domain
Clusternote - CC BY-SA 4.0
Harper's Weekly - Public Domain
Eric Koch / Anefo - CC BY-SA 3.0
Henry Walter Barnett - Public Domain
Freelance photographer RichardBurdett -
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Lane, Hugh Percy, Sir, 1875-1915
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Андрей Романенко - CC BY-SA 3.0
Tranströmer, Tomas, 1931-
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Leahy, Patrick J. (Patrick Joseph), 1940-
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Peters, James Arthur, 1922-1972
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original uploader -
Gregory, David, 1659-1708
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CSG-Info - CC BY-SA 4.0
Puri, Rajinder, 1934-
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Unknown - Public Domain
Castelli, Juan José 1764-1812
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Päer, Ferdinando, 1771-1839
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Matthew Simon (trustee, Esther M. Zimmer Lederberg Estate) -
Hollaender, Alexander, 1898-1986
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Warre Cornish, Francis, 1839-1916
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Nicolas Habert (graveur) + BastienM - CC BY-SA 3.0
Caulet, François Etienne de 1610-1680
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Cohen of Birkenhead, Lord (Henry Cohen), 1900-
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Micahd - CC BY-SA 3.0
Nye, Naomi Shihab, 1952-
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Manning, Daniel, 1831-1887
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unknown - Public Domain
Alegre, Francisco Javier, 1729-1788
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Elton, Charles Isaac, 1839-1900
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Barton, Edmund, 1849-1920
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Barringer, Daniel Moreau, 1860-1929
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Robert Beyschlag - Public Domain
Münter, Gabriele, 1877-1962
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Alberts, Bruce.
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Clusternote - CC BY-SA 4.0
Oram, Daphne
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Harper's Weekly - Public Domain
Howard, Joseph, 1833-1908
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Dallas, George Mifflin, 1792-1864
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Eric Koch / Anefo - CC BY-SA 3.0
Bladen, Ronald, 1918-1988
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Henry Walter Barnett - Public Domain
Robey, George, 1869-1954
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Anania, Valeriu.
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Augusta, empress consort of William I, German emperor, 1811-1890
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unknown - Public Domain
Sauzay, Eugène, 1809-1901
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unknown - Public Domain
Pokrovskiĭ, M. N. (Mikhail Nikolaevich), 1868-1932
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Freelance photographer RichardBurdett -
Wallin, Pamela, 1953-