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U.S. Congress - Public Domain
anonymous - Public Domain
Studio Benque & Co., Paris - Public Domain
uploaded to en-wp by Wikipedical - Public Domain
Johann Dréo - CC BY-SA 2.0
Samuel Laurence - Public Domain
Anonymous - Public Domain
Eugène Pirou Upload, stitch and restoration by Jebulon - Public Domain
Cathbart1948 - CC BY-SA 4.0
National Photo Company Collection (Library of Congress) - Public Domain
Virginia Penitentiary. - CC BY 3.0
unknown - Public Domain
Imogen Cunningham -
Library of Congress - Public Domain
w:Onslow Ford - Public Domain
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Jeremy, Ron, 1953-
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Cornell, Katharine, 1893-1974
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U.S. Congress - Public Domain
Meek, Carrie P. (Carrie Pittman), 1926-2021
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anonymous - Public Domain
Ball, Hugo, 1886-1927
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Studio Benque & Co., Paris - Public Domain
Talazac, Jean-Alexandre
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uploaded to en-wp by Wikipedical - Public Domain
Yancey, William Lowndes, 1814-1863
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Mackay, Jessie, 1864-1938
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Johann Dréo - CC BY-SA 2.0
Nobre, Fernando, 1951-
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Butler, Elizabeth, Lady, 1846-1933
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Benjamin, Park, 1809-1864
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Samuel Laurence - Public Domain
Wheatstone, Charles, Sir, 1802-1875
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Mayer, Maria Goeppert, 1906-1972
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Rawlinson, Robert, 1810-1898
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Anonymous - Public Domain
Demarest, William H. S. (William Henry Steele), 1863-1956
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Boyd, William, 1885-1979
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Spencer, Lorillard, 1883-1939
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Eugène Pirou Upload, stitch and restoration by Jebulon - Public Domain
Zeller, Jules, 1819-1900
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Cathbart1948 - CC BY-SA 4.0
Noyes, Pierrepont, 1870-
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Faulkner, William, 1897-1962
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National Photo Company Collection (Library of Congress) - Public Domain
Baloković, Zlatko, 1895-1965
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Saint-Pol-Roux, 1861-1940
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Dix, John A. (John Alden), 1860-1928
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Virginia Penitentiary. - CC BY 3.0
Christian, Virginia, 1894 or 1895-1912
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unknown - Public Domain
Belloc, Bessie Rayner, 1829-1925
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Imogen Cunningham -
Chinn, Benjamen, 1921-2009
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Library of Congress - Public Domain
Foster, Addison G. (Addison Gardner), 1837-1917
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Martin, Jas. S. (James Stewart), 1826-1907
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w:Onslow Ford - Public Domain
Hamilton, John McLure, 1853-1936
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Crocker, Walter R. (Walter Russell), 1902-....
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Sée, Germain, 1818-1896