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unknown - Public Domain
Public Domain
CBS Network - Public Domain
William Morris Agency (management) - Public Domain
original uploader - Public Domain
NASA - Public Domain
Benjamin N. Duke - Public Domain
U.S. Navy - Public Domain
William Smith Bryan and Robert Rose - Public Domain
Polkowski - Public Domain
unknown photographer -
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Whelan, Michael, 1950-
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unknown - Public Domain
Wood, Barry, 1909-1970
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White, T. D. (Timothy D.)
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Public Domain
Floyd, John B. (John Buchanan), 1806-1863
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Griffin, Samuel, 1746-1810
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Turner, Ethel Mary, 1870-1958
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CBS Network - Public Domain
Roberts, Tanya, 1955-
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Bohr, Harald August, 1887-1951
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Orry, Philibert, Comte de Vignori, 1689-1747
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William Morris Agency (management) - Public Domain
Scott, Raymond, 1908-1994
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original uploader - Public Domain
Piccirilli, Attilio, 1866-1945
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NASA - Public Domain
Sullivan, Kathryn D. (Kathryn Dwyer), 1951-
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Danckerts, Hendrick 1625-1679 ca.
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Benjamin N. Duke - Public Domain
Astor, Vincent, 1891-1959
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Elijah ben Solomon, 1720-1797
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unknown - Public Domain
Pierpont, James, 1822-1893
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Beach, Alfred E. (Alfred Ely), 1826-1896
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U.S. Navy - Public Domain
Ramage, James D. (James David), 1916-
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William Smith Bryan and Robert Rose - Public Domain
Jameson, John, 1802-1857
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Draper, John C. (John Christopher), 1835-1885
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Euclid
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Morrow, Jeremiah, 1771-1852
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original uploader - Public Domain
Bowie, Oden, 1826-1894
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Polkowski - Public Domain
Kurpiński, Karol, 1785-1857
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Bretón, Tomás, 1850-1923
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Michaels, Bret
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unknown photographer -
Boekman, E. (Emanuel), 1889-1940
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Berchtold zu Sonnenburg, Maria Anna Mozart, Reichsfreiin von, 1751-1829
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Bartók, Éva, 1927-1998
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Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-1834