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Paramount Productions Inc. - Public Domain
Bain News Service, publisher. - Public Domain
Nv8200p - CC BY-SA 3.0
Robert Walter Weir - Public Domain
not stated - Public Domain
Public Domain
E. Passingham - Public Domain
unknown - Public Domain
RJCook - CC BY-SA 4.0
Karel Kuklík - CC BY-SA 3.0
Contemporary portrait - Public Domain
Desconocido; finales del siglo XIX - Public Domain
Garnet Terry - Public Domain
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Paramount Productions Inc. - Public Domain
Barbier, George, 1864-1945
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Beddoes, Thomas Lovell, 1803-1849
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Bain News Service, publisher. - Public Domain
Cook, George W. (George Washington), 1851-1916
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Nv8200p - CC BY-SA 3.0
Gore, Kristin, 1977-
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Keppel, Frederick, 1729-1777
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Balfour, Arthur James, 1848-1930
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Raglin, Junior, 1917-1955
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Henderson, James Pinckney, 1808-1858
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Hamilton, Lillias, 1858-1925
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Robert Walter Weir - Public Domain
Weir, John F. (John Ferguson), 1841-1926
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Menander, of Athens
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not stated - Public Domain
Williamson, A.M. (Alice Muriel), 1869-1933
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Public Domain
Livingston, William, 1723-1790
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E. Passingham - Public Domain
Kimberley, John Wodehouse, Earl of, 1826-1902
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Ludlow, William, 1843-1901
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unknown - Public Domain
Rickert, Heinrich, 1863-1936
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Anglebert, J. Henry d' (Jean Henry), 1629-1691
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Drygalski, Erich von 1865-1949
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Vaudechamp, Jean Joseph, 1790-1866
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Tagawa, Cary-Hiroyuki
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RJCook - CC BY-SA 4.0
Henry, Sean, 1965-....
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Noelte, Rudolf
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Black, William, 1841-1898
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Jarrett, Keith
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Public Domain
Scudder, Ida Sophia, 1870-1960
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Karel Kuklík - CC BY-SA 3.0
Muzika, František, 1900-1974
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Contemporary portrait - Public Domain
Arundel, Philip Howard, Earl of, Saint, 1557-1595
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Ginzburg, Carlo
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Desconocido; finales del siglo XIX - Public Domain
Renan, Ary, 1857-1900
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Garnet Terry - Public Domain
Johnson, Richard, 1755-1827