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unknown - Public Domain
AMY DAVIS - CC BY-SA 3.0
Jacob Hilsdorf - Public Domain
Hmardirosian1 - Public Domain
Mathew Brady - Public Domain
original uploader - Public Domain
Rachgarb - CC BY-SA 4.0
E. Harrison - Public Domain
Bull-Doser - Public Domain
National Photo Company - Public Domain
E. Temple Thurston - Public Domain
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Webb, Wellington E. (Wellington Edward), 1941-
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unknown - Public Domain
Devlin, Anne, 1780-1851
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AMY DAVIS - CC BY-SA 3.0
Moritsugu, Jon, 1965-
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Müller, Wilhelm, 1794-1827
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unknown - Public Domain
Stribling, T. S. (Thomas Sigismund), 1881-1965
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Bonnat, Léon Joseph Florentin, 1833-1922
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Belle-Isle, Charles Louis Auguste Fouquet, duc de, 1684-1761
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Scherle, William J. (William Joseph), 1923-2003
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Jacob Hilsdorf - Public Domain
Gundolf, Friedrich, 1880-1931
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Delille, Jacques, 1738-1813
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Hmardirosian1 - Public Domain
Mardirosian, Haig
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Mathew Brady - Public Domain
McDougall, J. A. (James Alexander), 1817-1867
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original uploader - Public Domain
Le Conte, John Eatton, 1784-1860
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Hamond, Andrew Snape, Sir, 1738-1828
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Sydney, Thomas Townshend, Viscount, 1733-1800
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unknown - Public Domain
Naumov, Nikolaĭ Ivanovich, 1838-1901
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Dorham, Kenny, 1924-1972
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Rachgarb - CC BY-SA 4.0
Drexler, Rosalyn
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E. Harrison - Public Domain
Claughton, Thomas Legh, 1808-1892
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Canga Argüelles, José, 1770-1843
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Zschau, Ed, 1940-
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Gilder, Richard Watson, 1844-1909
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Peter Frederick Rothermel
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Bull-Doser - Public Domain
Brady, Tim, 1956-
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National Photo Company - Public Domain
Sackett, Frederic M.
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Welty, Eudora, 1909-2001
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unknown - Public Domain
Rinaldi, Susana
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Jackson, Millie
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unknown - Public Domain
Schleicher, Gustave, 1823-1879
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E. Temple Thurston - Public Domain
Thurston, E. Temple (Ernest Temple), 1879-1933