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unknown - Public Domain
Valér Vavro (sculptor) - cc-by-3.0 <br> - CC BY-SA 3.0
David Shankbone - CC BY-SA 2.0
Radovan Mikuš - CC BY-SA 3.0
ContentEditor949 - CC BY-SA 3.0
Elen Nivrae - CC BY 2.0
Sara Facio - Public Domain
U.S. Air Force - Public Domain
ServiceAT - CC BY-SA 3.0
Ragesoss - CC BY-SA 3.0
unknown - CC0 1.0
Imrich - CC BY-SA 3.0
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Cowles, Edwin, 1825-1890
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unknown - Public Domain
Houwald, Ernst von 1778-1845
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Seabury, Samuel, 1729-1796
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Juan, de Flandes, approximately 1465-1519
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Manypenny, George Washington, 1809-1893
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Valér Vavro (sculptor) - cc-by-3.0 <br> - CC BY-SA 3.0
Clementis, Vladimír, 1902-1952
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Goria, A. (Alexandre), 1823-1860
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Tennyson, Emily Sellwood Tennyson, Baroness, 1813-1896
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David Shankbone - CC BY-SA 2.0
Jordan, Neil, 1950-....
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Radovan Mikuš - CC BY-SA 3.0
Fuchs, Bohuslav, 1895-1972
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ContentEditor949 - CC BY-SA 3.0
Love, Susan M.
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Elen Nivrae - CC BY 2.0
Fincher, David
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Gilbert, Ashurst Turner, 1786-1870
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Price, James H. (James Hubert), 1878-1943
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Brown, Ronald Harmon, 1941-1996
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Smart, Christopher, 1722-1771
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Sara Facio - Public Domain
Pizarnik, Alejandra, 1936-1972
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unknown - Public Domain
Coon, Henry P. (Henry Perrin), 1822-1884
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Hansemann, David Justus Ludwig, 1790-1864
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Córdova, Arturo de, 1908-1973
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U.S. Air Force - Public Domain
Mathis, Robert C., 1927-
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Thompson, William, 1805-1852
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Krylenko, N. V. (Nikolaĭ Vasilʹevich), 1885-1938
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ServiceAT - CC BY-SA 3.0
Green, Cecil Howard, 1900-2003
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Ragesoss - CC BY-SA 3.0
Kevles, Daniel J.
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Scarron, Paul, 1610-1660
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Kelly, William, 1840-
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unknown - CC0 1.0
Franco, Francisco, 1892-1975
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Imrich - CC BY-SA 3.0
Katzir, Ephraim, 1916-2009
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Tassie, William, 1777-1860