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Federal Government of the United States - Public Domain
Screen Gems - Public Domain
Robert S. Oakes - Public Domain
Arrow Film Corporation - Public Domain
Frick.Photoarchive - CC BY 3.0
The Gillimas Service, New York (probably a publicity outlet for Lucky Strike, the radio show's sponsor) - Public Domain
Samantha1961 - CC BY-SA 3.0
Official British Government Portrait - Public Domain
:de:Julius Thaeter - Public Domain
Dominique ENON - CC BY-SA 3.0
Ambroise Tardieu (1788-1841) - Public Domain
Napoléonempereur - CC BY-SA 4.0
unknown photographer - Public Domain
Ltagliaferri - CC BY-SA 4.0
unknown - Public Domain
user at project - Public Domain
John Penniman, artist. George Snyder, lithographer. - Public Domain
George Prince - Public Domain
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Federal Government of the United States - Public Domain
York, Herbert F. (Herbert Frank)
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Wellman, H. R. (Harry Richard), 1899-1997
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Groesbeck, William S. (William Slocomb), 1815-1897
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Tabaković, Ivan, 1898-1977
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Screen Gems - Public Domain
Birney, David, 1939-
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Di Donato, Pietro, 1911-1992
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Robert S. Oakes - Public Domain
Brennan, William J., 1906-1997
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Arrow Film Corporation - Public Domain
Herzig, Sig
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Frick.Photoarchive - CC BY 3.0
Rossiter, Thomas Prichard, 1818-1871
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The Gillimas Service, New York (probably a publicity outlet for Lucky Strike, the radio show's sponsor) - Public Domain
King, Wayne
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Samantha1961 - CC BY-SA 3.0
Blakey, G. Robert (George Robert), 1936-
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Vinton, Samuel Finley, 1792-1862
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Official British Government Portrait - Public Domain
Field, F. L. (Frederick Lawrence), 1871-1945
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Ferrier, Kathleen, 1912-1953
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Hemsley, Sherman, 1938-2012
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Shinwell, Emanuel, 1884-1986
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:de:Julius Thaeter - Public Domain
Rietschel, Ernst, 1804-1861
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Thimig, Hugo
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Dominique ENON - CC BY-SA 3.0
Carr, Edwin, 1926-2003
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Ambroise Tardieu (1788-1841) - Public Domain
Leslie, John, Sir, 1766-1832
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Napoléonempereur - CC BY-SA 4.0
Bréard, Jean Jacques, 1750-1840
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unknown photographer - Public Domain
Tully, Richard Walton, 1877-1945
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Saltus, Edgar, 1855-1921
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Ltagliaferri - CC BY-SA 4.0
Davidson, Cathy N., 1949-....
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Leigh, James Mathews, 1808-1860
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Tartini, Giuseppe
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unknown - Public Domain
Fitzgerald, C. C. Penrose (Charles Cooper Penrose), 1841-1921
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user at project - Public Domain
Pelikán, Jaroslav, 1923-2006
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John Penniman, artist. George Snyder, lithographer. - Public Domain
Walsh, Mike, 1810-1859
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George Prince - Public Domain
Platt, Orville Hitchcock, 1827-1905