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unknown -
:en:John Logan (writer) - CC BY-SA 3.0
lifescript - CC BY 2.0
Lithographie nach Laroque (gespiegelt) - Public Domain
Markus Kuhn - CC BY 3.0
Godfried Schalcken -
* Original image: flickr28155538@N02 - CC BY 2.0
unknown - Public Domain
Hinsdale, B.A. - Public Domain
not stated - Public Domain
Steve Morgan - CC BY-SA 3.0
Edouard Clerc - Public Domain
Bain - Public Domain
Public Domain
Montecruz Foto - CC BY-SA 2.0
Toglenn - CC BY-SA 3.0
Image from Wikimedia Commons
Horton, Edward Everett
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unknown -
Dattilo-Rubbo, Antonio, 1870-1955
Image from Wikimedia Commons
:en:John Logan (writer) - CC BY-SA 3.0
Logan, John, 1961-....
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lifescript - CC BY 2.0
Streisand, Barbra
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Mo, Teresa
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Humphreys, F. (Frederick), 1816-1900
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Carracci, Annibale, 1560-1609
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Boole, Ella A. (Ella Alexander), 1858-1952
Image from Wikimedia Commons
Lithographie nach Laroque (gespiegelt) - Public Domain
Saint-Amans, Jean-Florimond Boudon de 1748-1831
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Markus Kuhn - CC BY 3.0
Anderson, Ross, 1956-....
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Godfried Schalcken -
Schalcken, Godfried, 1643-1706
Image from Wikimedia Commons
* Original image: flickr28155538@N02 - CC BY 2.0
Shand, Jimmy, 1908-2000
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unknown - Public Domain
Bāb, ʻAlī Muḥammad Shīrāzī, 1819-1850
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unknown - Public Domain
Romme, Gilbert, 1750-1795
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Gentili, Scipione, 1563-1616
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Dufek, George J. (George John), 1903-
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unknown - Public Domain
Compans, Jean-Dominique, 1769-1845
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Hinsdale, B.A. - Public Domain
Hussey, William J. (William Joseph), 1862-1926
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not stated - Public Domain
Rice, Cale Young, 1872-1943
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unknown - Public Domain
Rosher, Charles, 1885-1974
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Steve Morgan - CC BY-SA 3.0
Marsh, Tom, 1939-
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Edouard Clerc - Public Domain
La Marche, Olivier de, approximately 1426?-1502
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Caroline, Princess of Monaco, 1957-
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Bain - Public Domain
Pearson, E. J., 1863-1928
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Gade, Niels W. (Niels Wilhelm), 1817-1890
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Butterfield, James A., 1837-1891
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Bebb, William, 1802-1873
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Public Domain
Carter, Tim Lee, 1910-1987
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Montecruz Foto - CC BY-SA 2.0
Johansen, David, 1950-
Image from Wikimedia Commons
Toglenn - CC BY-SA 3.0
Anderson, Pamela, 1967-