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White House photo by Tina Hager - Public Domain
Auguste Pichon - Public Domain
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:cs:Josef Fiedler - Public Domain
Pirie MacDonald - Public Domain
Lioneldecoster - CC BY-SA 3.0
unknown - Public Domain
ENERGY.GOV - Public Domain
8podi - CC BY-SA 3.0
CT State Library - CC BY 2.0
Virginia House of Delegates Clerk's Office -
Tessa Posthuma de Boer - Public Domain
R. Swoboda - Public Domain
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Antioch College
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Howe, Gilman Bigelow, 1850-1933
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White House photo by Tina Hager - Public Domain
Prescott, Edward C.
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Schiffer, Claudia
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Colburn, Zerah, 1804-1840
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Auguste Pichon - Public Domain
Montalembert, Charles Forbes, comte de, 1810-1870
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Bordes, Charles, 1863-1909
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Cole, Cyrenus, 1863-1939
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Artist unknown - Public Domain
Kimball, Sarah Ann Whitney, 1825-1873
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Taft, Lorado, 1860-1936
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:cs:Josef Fiedler - Public Domain
Häsler, Karel 1879-1941
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Brunet, Ovide, 1826-1876
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Wieniawski, J. (Józef), 1837-1912
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Baltz, Lewis, 1945-....
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Pirie MacDonald - Public Domain
Firestone, Harvey Samuel, 1868-1938
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Lioneldecoster - CC BY-SA 3.0
Mabon, Willie, 1925-1985
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Weeks, John W. (John Wingate), 1860-1926
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Vogt, John W., 1920-....
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unknown - Public Domain
Nono, Luigi, 1850-1918
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ENERGY.GOV - Public Domain
Brookhaven National Laboratory
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unknown - Public Domain
Hart, Thomas N. (Thomas Norton), 1829-
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Trübner, Nicolas, 1817-1884
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8podi - CC BY-SA 3.0
Padel, Ruth, 1946-....
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Anton Ulrich, Herzog von Braunschweig-Wolfenbüttel, 1633-1714
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Chanfrau, Frank, 1824-1884
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CT State Library - CC BY 2.0
Rowland, John G., 1957-
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Virginia House of Delegates Clerk's Office -
Banks, Linn, 1784-1842
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Tessa Posthuma de Boer - Public Domain
Jansen, Rudolf, 1940-
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Vaughn, Matthew, 1971-....
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R. Swoboda - Public Domain
Urban, Joseph, 1872-1933