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zhenggangqing0124 - CC BY-SA 3.0
Ricardo André Frantz (Tetraktys) -
anonymous - Public Domain
original uploader - CC BY 2.5
nicolas genin - CC BY-SA 2.0
Eva Rinaldi - CC BY-SA 2.0
Louis Pescevic - CC BY-SA 4.0
Billmckern - Public Domain
Public Domain
Charles Lhuillier - Public Domain
MRC National Institute for Medical Research - CC BY-SA 4.0
unknown - Public Domain
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Shorthouse, J. H. (Joseph Henry), 1834-1903
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Phyfe, Duncan, 1768-1854
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zhenggangqing0124 - CC BY-SA 3.0
Chai, Ling
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Metzner, Franz, 1870-1919
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Molière, 1622-1673
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Ricardo André Frantz (Tetraktys) -
Ferrata, Ercole, 1610-1686
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Lambin, Denys, 1520 or 1521-1572
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anonymous - Public Domain
Ward, William George, 1812-1882
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original uploader - CC BY 2.5
Luke, Keye, 1904-1991
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Deas, Charles, 1818-1867
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Credner, Hermann, 1841-1913
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Dall'Abaco, Evaristo Felice, 1675-1742
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nicolas genin - CC BY-SA 2.0
Bonnaire, Sandrine, 1967-....
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Greenwood, Marion, 1909-1970
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Eva Rinaldi - CC BY-SA 2.0
Napier, Jessica
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Porche, Verandah
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Louis Pescevic - CC BY-SA 4.0
Miles, Jack, 1942-....
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Billmckern - Public Domain
Paul, Willard Stewart, 1894-1966
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Public Domain
Clay, Clement Comer, 1789-1866
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Charles Lhuillier - Public Domain
Le Goffic, Charles, 1863-1932
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Styka, Jan, 1858-1925
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Sidmouth, Henry Addington, Viscount, 1757-1844
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Public Domain
Hughes, John Ceiriog, 1832-1887
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MRC National Institute for Medical Research - CC BY-SA 4.0
Porter, R. R. (Rodney Robert), 1917-1985
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unknown - Public Domain
Ugarte, Juan de, 1662-1730
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Chipman, J. L. (John Logan), 1830-1893
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Schoelcher, Victor, 1804-1893
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unknown - Public Domain
Klug, Fr. (Friedrich), 1775-1856
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Salutati, Coluccio, 1331-1406
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Public Domain
Fujita, Frank, 1921-