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unknown - Public Domain
Jean de Tournes - Public Domain
US House of Representatives - Public Domain
photoren - CC BY 2.0
original uploader - Public Domain
Gage Skidmore - CC BY-SA 3.0
Angela George - CC BY-SA 3.0
U.S. Congress - Public Domain
Ludwig von Herterich - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
nicolas genin - CC BY-SA 2.0
Public Domain
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unknown - Public Domain
Cibrario, Luigi, conte, 1802-1870
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Jean de Tournes - Public Domain
Columella, Lucius Junius Moderatus
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US House of Representatives - Public Domain
Handel, Karen, 1962-
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Seferis, George, 1900-1971
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unknown - Public Domain
Borcke, Heros von 1835-1895
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photoren - CC BY 2.0
Fahey, Jeff
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Madsen, Karl, 1855-1938
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original uploader - Public Domain
Powell, Lyman P. (Lyman Pierson), 1866-1946
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unknown - Public Domain
Gray, Carl R. (Carl Raymond), 1867-1939
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Westwood, J.O. (John Obadiah), 1805-1893
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Gage Skidmore - CC BY-SA 3.0
Jackson, Joshua, 1978-
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Shearman, Montague, 1857-1930
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Wiggins, Joseph, 1832-1905
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Elon, Mordekhai
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Templeton, Robert
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Chase, Samuel, 1741-1811
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Małcużyński, Witold, 1914-1977
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Angela George - CC BY-SA 3.0
Cassavetes, Nick
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Hood, Tom, 1835-1874
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U.S. Congress - Public Domain
Rudman, Warren B. (Warren Bruce), 1930-2012
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Burrell, Henry, Sir, 1904-
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Ludwig von Herterich - Public Domain
Herterich, Ludwig von 1856-1932
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Bourmont, Louis-Auguste-Victor de Ghaisne, comte de, 1773-1846
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Rogers, Timothy, 1658-1728
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Mathew Brady Levin Corot Handy - Public Domain
Settle, Thomas, 1831-1888
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nicolas genin - CC BY-SA 2.0
Bonnaire, Sandrine, 1967-....
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Lockhart, Gene, 1891-1957
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Public Domain
Mongkut, King of Siam, 1804-1868
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Calderón Fournier, Rafael Angel 1949-
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Simons, B. (Barbara), 1941-