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First National Pictures - Public Domain
No photographer named in original source. - Public Domain
unknown -
Philadelphia Real Estate and Builder's Guide - Public Domain
unknown - Public Domain
ABC Television - Public Domain
*:File:Niels_stensen.jpg - Public Domain
Public Domain
Ed Edahl - CC BY-SA 3.0
original uploader - Public Domain
Michigan Art Company - Public Domain
Dd-b - CC BY-SA 3.0
Photo d'identité sans auteur, '''1928''' -
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Churchill, Sarah, 1914-1982
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Ribera, Jusepe de, 1591-1652
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Pickford, Jack, 1896-1933
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Duncan, Walter Jack, 1881-1941
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Kurtz, Paul, 1925-2012
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First National Pictures - Public Domain
Delaney, Charles, 1892-1959
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Anaya, Jorge Isaac
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No photographer named in original source. - Public Domain
Horn, Kahn-Tineta, 1940-
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unknown -
Langmuir, Alexander D.
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Aherne, Brian
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Philadelphia Real Estate and Builder's Guide - Public Domain
Nichols, Minerva Parker, -1949
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Queensberry, William Douglas, Duke of, 1725-1810
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unknown - Public Domain
Farrar, Geraldine
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Gilmour, John, 1605?-1671
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Rischbieth, Bessie Mabel, 1874-1967
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Townshend, George Townshend, marquis, 1724-1807
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ABC Television - Public Domain
Dell, Gabriel
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Leenhoff, Suzanne, 1829-1906
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Kendall, Paul W. (Paul Wilkins), 1898-1983
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*:File:Niels_stensen.jpg - Public Domain
Steno, Nicolaus, 1638-1686
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Public Domain
Quine, Richard, 1920-1989
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Reverdin, J.-L. (Jacques-Louis), 1842-1929
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Ed Edahl - CC BY-SA 3.0
Foxx, Jamie
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Astor, John Jacob, 1763-1848
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original uploader - Public Domain
Jaques-Dalcroze, Émile, 1865-1950
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Michigan Art Company - Public Domain
Longyear, John Munro, 1850-1922
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Dd-b - CC BY-SA 3.0
Dyer-Bennet, Richard
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Hewart, Gordon Hewart, Baron, 1870-1943
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Murphy, Jimmy, 1891-1965
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Photo d'identité sans auteur, '''1928''' -
Benjamin, Walter, 1892-1940