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LOC; Perine, George Edward, 1837-1885 - Public Domain
De Wit, Frederik - Public Domain
Francisco Pacheco - Public Domain
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Gottheil u.S./Königsberg - Public Domain
J. Majori - Public Domain
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Beyond My Ken -
Self-portrait - CC BY-SA 3.0
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Granite State Monthly magazine, Volume 2, Number 9 (June, 1879) - Public Domain
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Bassano Ltd (active 1901-1962). - Public Domain
Horobin, Ian, 1899-1976
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Brinkerhoff, Jacob, 1810-1880
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IA - CC BY-SA 4.0
Hynninen, Jorma, 1941-
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Storace, Anna Selina, 1765-1817
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LOC; Perine, George Edward, 1837-1885 - Public Domain
Barnes, Albert, 1798-1870
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De Wit, Frederik - Public Domain
Wit, Frederik de
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Francisco Pacheco - Public Domain
Herrera, Fernando de 1534-1597
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Public Domain
Baldwin, Raymond E. (Raymond Earl), 1893-1986
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Pennypacker, Samuel W. (Samuel Whitaker), 1843-1916
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Gottheil u.S./Königsberg - Public Domain
Dorner, I.A. (Isaak August), 1809-1884
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Fujihara, Ginjirō, 1869-1960
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J. Majori - Public Domain
Noli, Fan Stylian, 1882-1965
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Moore, Marianne, 1887-1972
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Clarke, John L. (John Louis), 1881-1970
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Sādāt, Jīhān, 1933-
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August, Duke of Braunschweig-Lüneburg, 1579-1666
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Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 2.5
Brandys, Kazimierz
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Georg Wirnharter - CC BY-SA 3.0
Pfrang, Erwin, 1951-
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Juliux - CC BY-SA 3.0
Galdikas, Biruté Marija Filomena
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Charles Roscoe Savage - Public Domain
Ottinger, George M. (George Martin), 1833-1917
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Uniacke, Richard John, 1753-1830
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Williams-Wynn, Watkin, 1749-1789
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Franz, Marie-Luise von, 1915-1998
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Beyond My Ken -
Whitney Museum of American Art
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Self-portrait - CC BY-SA 3.0
Kohn, Alfie.
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Germaine, Max, 1914-
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Maitland, William, 1528-1573
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Granite State Monthly magazine, Volume 2, Number 9 (June, 1879) - Public Domain
Stearns, Onslow, 1810-1878
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Barth, Karl, 1886-1968
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Pearse, Pádraic (1879-1916).