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unknown - Public Domain
US gov - Public Domain
unknown photographer - Public Domain
Public Domain
Jules Pizzetta - Public Domain
Editors: Christie Williams and LeeAnn Roberts - Public Domain
*:File:Vittorio_Caprioli_La_Governante.png - Public Domain
French Banknote Designer w:en:Clément_Serveau - Public Domain
Scanned and digitized by Google Books, cropped by user Froggerlaura - Public Domain
Victor Krasin - CC BY-SA 3.0
CBS Television - Public Domain
Henry Raeburn - Public Domain
photograph of Johns Hopkins Hospital - Public Domain
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Meiners, C. (Christoph), 1747-1810
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unknown - Public Domain
Grimshaw, Atkinson, 1836-1893
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US gov - Public Domain
Thurman, Karen L. (Karen Loveland), 1951-
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Nast, Minnie
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Loraine, Robert, 1876-1935
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unknown photographer - Public Domain
Evashevski, Forest
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Dicksee, Francis Bernard, Sir, 1853-1928
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Ertegun, Nesuhi
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Public Domain
Sabin, Dwight M. (Dwight May), 1843-1902
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Jules Pizzetta - Public Domain
Réaumur, René-Antoine Ferchault de, 1683-1757
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Holden, Edward S. (Edward Singleton), 1846-1914
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Editors: Christie Williams and LeeAnn Roberts - Public Domain
McConkie, Bruce R.
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Althusser, Louis, 1918-1990
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Chandler, William E. (William Eaton), 1835-1917
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Hough, Emerson, 1857-1923
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*:File:Vittorio_Caprioli_La_Governante.png - Public Domain
Caprioli, Vittorio, 1921-1989
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French Banknote Designer w:en:Clément_Serveau - Public Domain
Serveau, Clément, 1886-1972
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Harris, Joel Chandler, 1848-1908
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Scanned and digitized by Google Books, cropped by user Froggerlaura - Public Domain
Abbe, Robert, 1851-1928
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Victor Krasin - CC BY-SA 3.0
Krasin, Viktor.
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Pechstein, Max, 1881-1955
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Boudinot, Elias, 1802-1839
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CBS Television - Public Domain
Bonerz, Peter
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Benzer, Seymour
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unknown - Public Domain
Varro, Marcus Terentius
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Henry Raeburn - Public Domain
Durham, Philip, 1763-1845
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Project Apollo (U.S.)
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Kelley, P. X. (Paul X.), 1928-
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Baltimore, Charles Calvert, Lord, 1637-1715
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photograph of Johns Hopkins Hospital - Public Domain
Dandy, Walter Edward, 1886-1946