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United States Senate Historical Office - Public Domain
Kingkongphoto & www.celebrity-photos.com - CC BY-SA 2.0
Andy Fitzsimons - CC BY-SA 3.0
Julien J. Proskauer - Public Domain
Internet Archive Book Images -
Department of Energy. Office of Public Affairs - Public Domain
Public Domain
original uploader - Public Domain
unknown - Public Domain
Sharlot Hall Museum - Public Domain
:en:Julia Janet Georgiana Abercromby - Public Domain
anonymous - Public Domain
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Adams, Francis, 1796-1861
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Shemer, Naomi
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Saint-Pol-Roux, 1861-1940
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Baerle, Caspar van, 1584-1648
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United States Senate Historical Office - Public Domain
Dolph, Joseph N. (Joseph Norton), 1835-1897
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Kingkongphoto & www.celebrity-photos.com - CC BY-SA 2.0
Kander, John, 1927-
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Márquez, Rafael, 1979-
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Andy Fitzsimons - CC BY-SA 3.0
Caan, James, 1960-
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Julien J. Proskauer - Public Domain
Proskauer, Julien J., 1893-1958
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Internet Archive Book Images -
Van Gelder, Richard G. (Richard George), 1928-1994
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Worrall, Henry 1825-1902
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Brooke, John Hedley
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Department of Energy. Office of Public Affairs - Public Domain
Fermi, Enrico, 1901-1954
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Colton, J. H. (Joseph Hutchins), 1800-1893
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Eichler, Joseph L., 1900-
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Public Domain
Stow, John, 1525?-1605
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Crissinger, Daniel R. (Daniel Richard), 1860-1942
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original uploader - Public Domain
Hartman, L. O. (Louis Oliver), 1876-1955
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unknown - Public Domain
Cameron, Donaldina MacKenzie, 1869-1968
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Edwards, Thomas Charles, 1837-1900
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Public Domain
Cabranes, José A.
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unknown - Public Domain
Chauvenet, William, 1820-1870
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Sharlot Hall Museum - Public Domain
Hall, Sharlot Mabridth, 1870-1943
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Sailer, Johann Michael, 1751-1832
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:en:Julia Janet Georgiana Abercromby - Public Domain
Devonshire, Spencer Compton Cavendish, Duke of, 1833-1908
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anonymous - Public Domain
Zaragoza, Ignacio, 1829-1862
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Bielschowsky, Alfred, 1871-1940
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unknown - Public Domain
Becker, Jean, 1833-1884
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Stratton, Samuel Wesley 1861-1931
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Butterfield, Erskine, 1913-1961