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Igor Palmin - CC BY-SA 2.0
unknown - Public Domain
Sam Levitan, via release to Peter G. Freund -
Photograph attributed to Strand Publishing Company. - Public Domain
Edmunddantes - CC BY-SA 3.0
Joseph Gaither Pratt, William G. Roll -
Mathew Brady Levin Corot Handy - Public Domain
Machahn - Public Domain
Alfred Hamy - Public Domain
United States Congress - Public Domain
George Chinnery - Public Domain
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Igor Palmin - CC BY-SA 2.0
Likhachev, Dmitriĭ Sergeevich
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unknown - Public Domain
Allen, J. A. (Joel Asaph), 1838-1921
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Sam Levitan, via release to Peter G. Freund -
Freund, Peter G. O. (Peter George Oliver), 1936-
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Photograph attributed to Strand Publishing Company. - Public Domain
Campbell, Herbert, 1844-1904
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Guébriant, Jean-Baptiste Budes, Comte de 1602-1643
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Lorm, Hieronymus, 1821-1902
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Stallo, J. B. (John Bernhard), 1823-1900
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Edmunddantes - CC BY-SA 3.0
Wang, Wayne, 1949-....
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Deyo, Morton L. (Morton Lyndholm), 1887-1973
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Kosygin, Aleksey Nikolayevich, 1904-1980
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Joseph Gaither Pratt, William G. Roll -
Roll, William G. (William George), 1926-2012
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Mathew Brady Levin Corot Handy - Public Domain
Hill, N. P. (Nathaniel Peter), 1832-1900
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Karpinskiĭ, A. P. Aleksandr Petrovich, 1846-1936
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Sidney, Philip, 1554-1586
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Warner, Frederick Maltby, 1865-1923
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Andrews, John, 1746-1813
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Rousseau, Victor, 1865-1954
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Machahn - Public Domain
Heydt, August von der 1801-1874
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Alfred Hamy - Public Domain
Ricci, Lorenzo, 1703-1775
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Rydberg, Víktor, 1828-1895
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Smith, Clark Ashton, 1893-1961
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Maxcy, Virgil, 1785-1844
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Jollie, Thomas, 1629-1703
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Amend, Bill
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Saccardo, P.A. (Pier Andrea), 1845-1920
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Bell, Lawrence Dale, 1894-1956
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Bush, S. P. (Samuel Prescott), 1863-1948
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United States Congress - Public Domain
Hartke, Vance
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Dimitrov, Georgi, 1882-1949
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George Chinnery - Public Domain
Morrison, John Robert, 1814-1843