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Unknown author - Public Domain
original uploader - Public Domain
Trailer to "The Silencers" (1966) - Public Domain
unknown - Public Domain
Carl C. Hansen -
Luis Davagnino. uploader Claudio Elias - Public Domain
United States Steel Corporation, sponsor of the show. - Public Domain
Roberto Vicario - CC BY-SA 3.0
Beesknees999 - CC BY-SA 3.0
Contemporary Portrait - Public Domain
Mathew Brady - Public Domain
John Opie - Public Domain
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James, Prince of Wales, 1688-1766
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Unknown author - Public Domain
Phelips, Edward, approximately 1555-1614
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Bucknill, John Charles, 1817-1897
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original uploader - Public Domain
Darling, Joseph R. (Joseph Robinson), 1872-1957
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Pivert, Marceau, 1895-1958
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Trailer to "The Silencers" (1966) - Public Domain
Webber, Robert, 1924-1989
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Erckmann, Émile, 1822-1899
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unknown - Public Domain
Stresemann, Erwin, 1889-1972
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Vanier, Georges P. (Georges Philias), 1888-1967
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Horden, John, 1828-1893
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Carl C. Hansen -
Rubinoff, Ira
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Aliger, Margarita, 1915-1992
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Thring, Frank, 1926-1994
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Luis Davagnino. uploader Claudio Elias - Public Domain
Pugliese, Osvaldo
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United States Steel Corporation, sponsor of the show. - Public Domain
Blyden, Larry, 1925-1975
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Murdoch, Keith Arthur, Sir, 1885-1952
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unknown - Public Domain
Archibald, Jules François, 1856-1919
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Roberto Vicario - CC BY-SA 3.0
Albertazzi, Giorgio
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Wurts, John, 1792-1861
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Northcote, Henry Stafford, Baron, 1846-1911
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Beesknees999 - CC BY-SA 3.0
Shan, Sa, 1972-
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Hegeler, Edward C., 1835-1910
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Rush, William, 1756-1833
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Contemporary Portrait - Public Domain
Orton, Harlow S., 1817-1895
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Nicolai, W. (Walter), 1873-1947
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Terra, Daniel J., 1911-1996
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Sebright, John Saunders, Sir, 1767-1846
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Cleveland, Harlan.
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Mathew Brady - Public Domain
Willey, Waitman T. (Waitman Thomas), 1811-1900
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John Opie - Public Domain
Monro, Henry