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unknown - Public Domain
Public Domain
R.White - Public Domain
Robman94 - CC BY-SA 3.0
Louis Sands after Nathaniel Smybert - Public Domain
Anonymous. Unattributed. - Public Domain
Bahget Iskander http://iskander.hu/ - CC BY 4.0
old catalog - Public Domain
Attributed to J.D. Wells of Northampton - Public Domain
AlonKopp - CC BY-SA 4.0
White House - Public Domain
Georges Biard - CC BY-SA 3.0
David Starr Jordan (1851-1931) - Public Domain
Rigmor Dahl Delphin - CC BY-SA 4.0
Siebbi - CC BY 3.0
Tzolag Hovsepian - CC BY-SA 4.0
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Duchesne, Pierre, 1964-....
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unknown - Public Domain
Behrend, Jeanne, 1911-1988
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Public Domain
Rose, Ernestine L. (Ernestine Louise), 1810-1892
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R.White - Public Domain
Ludlow, Edmund, 1617?-1692
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Robman94 - CC BY-SA 3.0
Dawson, Ronnie
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Louis Sands after Nathaniel Smybert - Public Domain
Harrison, Peter, 1716-1775
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Moore, John, Sir, 1761-1809
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Minkowski, H. (Hermann), 1864-1909
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Johnston, William F., 1808-1872
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Anonymous. Unattributed. - Public Domain
Bentley, Gladys, 1907-1960
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Bahget Iskander http://iskander.hu/ - CC BY 4.0
Illyés, Gyula, 1902-1983
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Pate, Michael
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old catalog - Public Domain
Hagner, Alexander Burton, 1826-1915
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Medici, Giovanni Giacomo de', marchese di Marignano, 1495-1555
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Attributed to J.D. Wells of Northampton - Public Domain
Faunce, D. W. (Daniel Worcester), 1829-1911
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AlonKopp - CC BY-SA 4.0
Rothbart, Daniel, 1966-
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Kauffmann, Angélica 1741-1807
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White House - Public Domain
Rove, Karl
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Penhallow, D. P. (David Pearce), 1854-1910
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Georges Biard - CC BY-SA 3.0
Kechiche, Abdellatif
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Dragonetti, Domenico, 1763-1846
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David Starr Jordan (1851-1931) - Public Domain
Stillman, John Maxson, 1852-1923
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Rigmor Dahl Delphin - CC BY-SA 4.0
Caprino, Ivo, 1920-2001
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Stainback, Ingram Macklin, 1883-1961
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Siebbi - CC BY 3.0
Becker, Wolfgang, 1954-....
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Mozart, Franz Xaver, 1791-1844
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Tzolag Hovsepian - CC BY-SA 4.0
Surmelian, Leon Z., 1905-1995
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Watson, John Christian, 1867-1941
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Longhi, Pietro, 1702-1785
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Tunner, William H.