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Hans Meyer - Public Domain
Jim Hansen - Public Domain
New York Tribune - Public Domain
StOuen - CC BY-SA 3.0
Frederic Porter Vinton (d. 1911) - Public Domain
unknown photographer - Public Domain
anonymous -
unknown - Public Domain
Casa le roche - CC BY-SA 3.0
Crown Studio - Public Domain
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Unamuno, Miguel de 1864-1936
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Bilguer, Paul Rudolph von, 1815-1840
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Matlack, Timothy, 1736-1829
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Palmer, Ernest, 1885-1978
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Hans Meyer - Public Domain
Schulze, Johannes, 1786-1869
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Quinn, James 1819-1881
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Bagby, Arthur P. (Arthur Pendleton), 1794-1858
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Butzer, Karl W.
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Jim Hansen - Public Domain
Wideman, John Edgar, 1941-
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Brereton, Lewis H. (Lewis Hyde), 1890-1967
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Duparc, Henri, 1848-1933
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Thompson, Joseph, 1808-1893
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New York Tribune - Public Domain
Lee, Mabel Ping-Hua, 1897-1966
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Stasov, V. V. (Vladimir Vasilʹevich), 1824-1906
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StOuen - CC BY-SA 3.0
Hambling, Maggi, 1945-
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Grebber, Maria de
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Frederic Porter Vinton (d. 1911) - Public Domain
Langdell, C. C. (Christopher Columbus), 1826-1906
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Tyl, Josef Kajetán, 1808-1856
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Nixon, Cynthia
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unknown photographer - Public Domain
Durling, E.V.
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Defermon, Jacques, comte, 1752-1831
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anonymous -
Vycpálek, Ladislav, 1882-1969
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Luys, Jules Bernard, 1828-1897
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unknown - Public Domain
Arnoldson, Sigrid, 1861-1943
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Ramuz, C.F. (Charles Ferdinand), 1878-1947
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Geiler von Kaysersberg, Johann, 1445-1510
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Casa le roche - CC BY-SA 3.0
Jeanneret, Pierre, 1896-1967
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Radlkofer, L. (Ludwig), 1829-1927
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Crown Studio - Public Domain
Allen, Fred, 1920-2012
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Bennett, R. B. (Richard Bedford), 1870-1947