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Jonathunder - CC BY-SA 3.0
[http://www.futuremuseum.co.uk/Default.aspx?Id=13] - Public Domain
John Cornish - Public Domain
anonymous - Public Domain
Photographer not named - Public Domain
unknown - Public Domain
Moshe Pridan - Public Domain
National Photo Company Collection (Library of Congress) - Public Domain
Nv8200p - CC BY-SA 4.0
Kevin Buckstiegel - CC BY-SA 2.0
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Shishkov, A. S. (Aleksandr Semenovich), 1754-1841
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Sobrero, Ascanio, 1812-1888
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Bell, John C. (John Calhoun), 1851-1933
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Stephen, James Fitzjames, 1829-1894
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Jonathunder - CC BY-SA 3.0
Perry, Troy D.
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Tracy, Spencer, 1900-1967
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Maddux, Sam, 1914-1990
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[http://www.futuremuseum.co.uk/Default.aspx?Id=13] - Public Domain
Hunter, John Kelso, 1802-1873
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Madden, Richard Robert, 1798-1886
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John Cornish - Public Domain
Hayes, William, 1708-1777
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anonymous - Public Domain
Ollivant, Alfred, 1874-1927
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Coin, Christophe
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Jussieu, Bernard de, 1699-1777
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Photographer not named - Public Domain
Abing, 1893-1950
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unknown - Public Domain
Curtin, Willard S. (Willard Sevier), 1905-1996
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unknown - Public Domain
Tristán, Flora, 1803-1844
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Shriver, Garner E., 1912-1998
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Clancy, Robert H. (Robert Henry), 1882-1962
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Moshe Pridan - Public Domain
Shuval, Judith T.
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unknown - Public Domain
Preston, Ann, 1813-1872
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National Photo Company Collection (Library of Congress) - Public Domain
Padilla, Ezequiel, 1890-1971
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Le Fauconnier, Henri, 1881-1945
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Pöllnitz, Karl Ludwig, Freiherr von, 1692-1775
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Nv8200p - CC BY-SA 4.0
Hallinan, Timothy
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Sims, James, 1741-1820
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Brookes, Mabel Balcombe, 1890-1975
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Kevin Buckstiegel - CC BY-SA 2.0
Mcclanahan, Rue
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Charette, baron de, 1832-1911
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Hovey, C. M. (Charles Mason), 1810-1887
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Hutton, John, 1955-