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Ilonamay - CC BY-SA 4.0
Harris & Ewing, Inc. - Public Domain
Evans (picture credit) - Public Domain
Teddyyy - CC BY 3.0
Henry Walter Barnett - Public Domain
Frances Benjamin Johnston - Public Domain
British Ministry of Information Photo Division Photographer - Public Domain
Bfoster - Public Domain
Grentidez - Public Domain
Steve Jurvetson - CC BY 2.0
engraver J.C. Burns (sp? surname illegible) prior to death of subject in 1861 - Public Domain
Etiennedetours - CC BY-SA 4.0
unknown - Public Domain
Alexander Vassiliev - CC BY-SA 3.0
Vibert Jeffers - Public Domain
Kelliej1976 - CC BY-SA 4.0
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Ilonamay - CC BY-SA 4.0
Key, Lieven de, approximately 1560-1627
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Harris & Ewing, Inc. - Public Domain
Parks, George A., 1883-1984
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Coverdale, Miles, 1488-1568
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Forkel, Johann Nikolaus, 1749-1818
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Hays, Charles Melville, 1856-1912
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Evans (picture credit) - Public Domain
Roberts, Theodore, 1861-1928
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Teddyyy - CC BY 3.0
Hardy, Françoise
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Gordon, Anna A. (Anna Adams), 1853-1931
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Henry Walter Barnett - Public Domain
Hobhouse, Emily, 1860-1926
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Hvorostovsky, Dmitri
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Frances Benjamin Johnston - Public Domain
Washington, Booker T., 1856-1915
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Bransfield, Edward, -1852
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Montelius, Oscar, 1843-1921
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British Ministry of Information Photo Division Photographer - Public Domain
Alexander of Tunis, Harold Rupert Leofric George Alexander, Earl, 1891-1969
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Bfoster - Public Domain
Doucet, Clive
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Grentidez - Public Domain
Bouhours, Dominique, 1628-1702
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Lockhart, James A. (James Alexander), 1850-1905
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Steve Jurvetson - CC BY 2.0
Moore, Gordon E., 1929-
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engraver J.C. Burns (sp? surname illegible) prior to death of subject in 1861 - Public Domain
Brisbane, A. H. (Abbott Hall), 1804-1861
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Hammond, Henry, 1605-1660
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Etiennedetours - CC BY-SA 4.0
Amadio, Silvio, 1926-1995
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Shuster, Frank
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unknown - Public Domain
Rott, Hans, 1858-1884
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Alexander Vassiliev - CC BY-SA 3.0
Vassiliev, Alexander
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Clark, William Smith, 1826-1886
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Vibert Jeffers - Public Domain
Morrison, Sid, 1933-
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Schneider, Rob, 1963-...
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Pius V, Pope, 1504-1572
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Origanus, David, 1558-1628
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Kelliej1976 - CC BY-SA 4.0
Roberts, Richard, 1948-