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Elisàr von Kupffer - Public Domain
William Stocking, Gordon K. Miller - Public Domain
Public Domain
Gage Skidmore - CC BY-SA 3.0
Author - Public Domain
Ruralhistorian - CC BY-SA 3.0
unknown - Public Domain
Raidelale - CC BY-SA 3.0
Biblioteca del Congreso Nacional -
unknown, upload by Parpan05 - Public Domain
National Photo Company - Public Domain
Alfred Bock - Public Domain
L. Andreas Kornerup - Public Domain
IslandsEnd - CC BY 3.0
Anonymous photographer - Public Domain
The M P News Co. - Public Domain
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Donnelly, Phil M., 1891-1961
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Elisàr von Kupffer - Public Domain
Kupffer, Elisàr von (1872-1942).
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Mendès, Catulle, 1841-1909
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Chaffey, George, 1848-1932
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Thillon, Anna, 1819-1903
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William Stocking, Gordon K. Miller - Public Domain
Williams, John R., 1782-1854
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Lund, Anthon H., 1844-1921
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Public Domain
Pye, W. S. (William Satterlee), 1880-1959
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Gage Skidmore - CC BY-SA 3.0
Labrador, Raúl, 1967-
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Ford, Francis Xavier, 1892-1952
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Watts, George Frederick, 1817-1904
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Author - Public Domain
William IX, Duke of Aquitaine, 1071-1127
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Bax, Ernest Belfort, 1854-1926
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Ruralhistorian - CC BY-SA 3.0
Tilghman, Oswald, 1841-1932
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Czinner, Paul, 1890-1972
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Berzelius, Jöns Jakob, friherre, 1779-1848
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unknown - Public Domain
Caine, Georgia, 1876-1964
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Raidelale - CC BY-SA 3.0
Cabrera Moreno, Servando, 1923-1981
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Biblioteca del Congreso Nacional -
Parra, Nicanor, 1914-....
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unknown, upload by Parpan05 - Public Domain
Waldmann, Hans, approximately 1435-1489
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National Photo Company - Public Domain
Frelinghuysen, Joseph S. (Joseph Sherman), 1869-1948
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Alfred Bock - Public Domain
Bock, Thomas, 1793-1855
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Peirce, Henry Augustus, 1808-1885
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L. Andreas Kornerup - Public Domain
Hetsch, G. F. (Gustav Friedrich), 1788-1864
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IslandsEnd - CC BY 3.0
Criswell, W. A. (Wallie A.), 1909-2002
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Lisa, Manuel, 1772-1820
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Anonymous photographer - Public Domain
Hüe, Georges, 1858-1948
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Granville, A. B. (Augustus Bozzi), 1783-1872
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Celsius, Anders, 1701-1744
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The M P News Co. - Public Domain
Holmes, Stuart, 1884-1971