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George Grantham Bain Collection (Library of Congress) - Public Domain
Henry Tanworth Wells - Public Domain
Bain News Service, publisher - Public Domain
Public Domain
unknown - Public Domain
Schuler, Ch. A.(lithogr) et Simon, Frédéric-Emile -
Argentovs - CC BY-SA 3.0
Edward Harold Mott - Public Domain
anonymous - Public Domain
Chemical Engineer - CC BY-SA 4.0
CBS Television - Public Domain
original uploader - Public Domain
:en:E. Urner Goodman -
Tina Modotti - Public Domain
Luigi Mussini - Public Domain
sinaloaarchivohistorico -
Ash - CC BY-SA 3.0
Erling Mandelmann - CC BY-SA 3.0
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George Grantham Bain Collection (Library of Congress) - Public Domain
Peabody, Josephine Preston, 1874-1922
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Henry Tanworth Wells - Public Domain
Forster, W. E. (William Edward), 1818-1886
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Bain News Service, publisher - Public Domain
Harmon, Clifford B. (Clifford Burke), 1865-1945
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Public Domain
Breuer, Josef, 1842-1925
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Schopper, Herwig F.
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unknown - Public Domain
Tunnard, Christopher
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Schuler, Ch. A.(lithogr) et Simon, Frédéric-Emile -
Bautain, L. (Louis), 1796-1867
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Kalliwoda, Johann Wenzel, 1801-1866
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Argentovs - CC BY-SA 3.0
Lucie-Smith, Edward
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Edward Harold Mott - Public Domain
Moran, Charles
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anonymous - Public Domain
Shackleton, David, Sir, 1863-1938
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unknown - Public Domain
Pitcher, Zina, 1797-1872
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Chemical Engineer - CC BY-SA 4.0
Hadfield, Robert A. (Robert Abbott), 1858-1940
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CBS Television - Public Domain
Kruschen, Jack, 1922-2002
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original uploader - Public Domain
Hustis, James H., 1864-1942
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Harris, Thomas L. (Thomas Langrell), 1816-1858
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Gran, Tryggve, 1888-1980
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unknown - Public Domain
Shigemitsu, Mamoru, 1887-1957
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:en:E. Urner Goodman -
Goodman, E. Urner (Edward Urner), 1891-1980
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Tina Modotti - Public Domain
Rodríguez Lozano, Manuel, 1895-1971
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Luigi Mussini - Public Domain
Mussini, Luigi, 1813-1888
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Ladd, William, 1778-1841
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sinaloaarchivohistorico -
Torres Bodet, Jaime, 1902-1974
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Ash - CC BY-SA 3.0
Callow, Simon, 1949-....
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Delibés, Léo 1836-1891
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Wood, Garfield Arthur, 1880-1971
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Haberlandt, Gottlieb, 1854-
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Brookes, Joshua, 1761-1833
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Asquith, H.H. (Herbert Henry), 1852-1928
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Erling Mandelmann - CC BY-SA 3.0
Haubensak, Pierre, 1935-