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Dick Lyon - Public Domain
unknown - Public Domain
Fildnort - CC BY-SA 3.0
Schenck & McFarlane, Edinburgh - Public Domain
Maksymilian Fajans (1827-1890) - Public Domain
Samson1964 - CC BY-SA 3.0
F. Baruch - Public Domain
User at project link - Public Domain
artwork: unknown; file: Jdsteakley - Public Domain
Buffalo Electrotype and Engraving Co., Buffalo, N.Y, - Public Domain
Az81964444 - Public Domain
anonymous - Public Domain
Public Domain
O. C. Rawson - Public Domain
Photo Credit: Jeff Milner Artwork Credit: Clarence Gagnon Art Gallery in Montreal - CC BY 3.0
Serigne Diagne - CC BY-SA 2.0
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Dick Lyon - Public Domain
Mead, Carver.
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unknown - Public Domain
Astor, Caroline Schermerhorn, 1830-1908
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Fildnort - CC BY-SA 3.0
Franson, Fredrik, 1852-1908
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Vogler, Georg Joseph
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Vickers, Geoffrey, Sir, 1894-1982
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Scliar, Moacyr
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Schenck & McFarlane, Edinburgh - Public Domain
Gregory, William, 1803-1858
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Maksymilian Fajans (1827-1890) - Public Domain
Elsner, Józef, 1769-1854
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Le Fauconnier, Henri, 1881-1945
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Lowry, Wilson, 1762-1824
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Felton, Verna, 1890-1966
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Samson1964 - CC BY-SA 3.0
Gallagher, Joe
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F. Baruch - Public Domain
Rose, Edmund, 1836-1914
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Carracci, Agostino, 1557-1602
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User at project link - Public Domain
Emmer, Luciano
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Achron, Joseph, 1886-1943
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artwork: unknown; file: Jdsteakley - Public Domain
Marr, Wilhelm, 1818-1904
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Buffalo Electrotype and Engraving Co., Buffalo, N.Y, - Public Domain
Pollard, Josephine, 1834-1892
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Az81964444 - Public Domain
Oconor, Hugo
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anonymous - Public Domain
Hemphill, Henry, 1830-1914
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Köner, Thomas, 1965-
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Public Domain
Duncan, Sara Jeannette, 1861-1922
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O. C. Rawson - Public Domain
Clark, J. M. (John Murray), 1860-
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Granger, Gideon, 1767-1822
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Photo Credit: Jeff Milner Artwork Credit: Clarence Gagnon Art Gallery in Montreal - CC BY 3.0
Gagnon, Clarence A., 1881-1942
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Gibbs, Vicary, Sir, 1751-1820
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Howland, Jobyna
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Serigne Diagne - CC BY-SA 2.0
M'bow, Amadou-Mahtar, 1921-
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Grimké, John Fauchereaud 1752-1819
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unknown - Public Domain
Wesbrook, F. F. (Frank Fairchild), 1868-1918