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Wilhelm Pilgram (1814-1889) - Public Domain
Hoppé - Public Domain
T. E. Brown, published by Macmillan & Co. - Public Domain
MEDEF - CC BY-SA 2.0
George Charles Beresford - Public Domain
Anthony van Dyck -
Christian Wilhelm Allers - Public Domain
Public Domain
iDominick - CC BY-SA 2.0
Polygoon Hollands Nieuws - CC BY-SA 3.0
Thomas Hodgetts - Public Domain
unknown - Public Domain
United States Senate Historical Office - Public Domain
Manfred Kuzel - CC BY-SA 3.0
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Wilhelm Pilgram (1814-1889) - Public Domain
Fichte, Immanuel Hermann, 1796-1879
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Hoppé - Public Domain
Thomson, Hugh, 1860-1920
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Ditmars, Raymond Lee, 1876-1942
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T. E. Brown, published by Macmillan & Co. - Public Domain
Brown, T. E. (Thomas Edward), 1830-1897
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MEDEF - CC BY-SA 2.0
Dassier, Jean-Claude
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George Charles Beresford - Public Domain
Tonks, Henry, 1862-1937
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Anthony van Dyck -
Crayer, Gaspar de 1584-1669
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Varnhagen von Ense, Karl August, 1785-1858
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English, Thomas Dunn, 1819-1902
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Barrier, Edgar, 1907-1964
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Fonssagrives-Penn, Lisa 1911-1992
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Christian Wilhelm Allers - Public Domain
Groth, Klaus, 1819-1899
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Public Domain
Price, Hiram, 1814-1901
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Rossum, Emmy, 1986-
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Wigner, Eugene Paul, 1902-1995
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Legrand, Paul, 1816-1898
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iDominick - CC BY-SA 2.0
Glatter, Lesli Linka
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Polygoon Hollands Nieuws - CC BY-SA 3.0
Zadkine, Ossip
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Peale, Margaretta Angelica, 1795-1882
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Blount, Willie, 1768-1835
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Hitzig, Julius Eduard, 1780-1849
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Lords, Traci
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Cuming, Thomas B. (Thomas Barney), 1828-1858
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Thomas Hodgetts - Public Domain
Reed, Isaac, 1742-1807
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unknown - Public Domain
Aldisio, Salvatore, 1890-1964
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United States Senate Historical Office - Public Domain
Milledge, John, 1757-1818
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Lifar, Serge, 1905-1986
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Gardner, Samuel, 1891-1984
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Manfred Kuzel - CC BY-SA 3.0
Wurm, Erwin, 1954-....
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Dulany, Daniel, 1685-1753