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Unknown - Public Domain
Public Domain
Henry Vandyke Carter - Public Domain
anonymous - CC BY-SA 3.0
gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
Georges Biard - CC BY-SA 3.0
unknown -
"Photograph courtesy of United States Steel Corporation". The company was the sponsor of the program. - Public Domain
unknown - Public Domain
No author listed, no copyright marks - Public Domain
janinsanfran - CC BY-SA 2.0
Jamesfranklingresham - CC BY-SA 3.0
20th Century Fox -
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Brodetsky, Selig, 1888-1954
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Folsey, George J., 1898-1988
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Banim, John, 1798-1842
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Plater, George, 1735-1792
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Taft, Bob, 1942-
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Unknown - Public Domain
Popper, Julio, 1857-1893
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Public Domain
Fahlström, Öyvind, 1928-1976
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Henry Vandyke Carter - Public Domain
Carter, H. V. (Henry Vandyke), 1831-1897
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Public Domain
Bibb, William Wyatt, 1781-1820
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Stanton, Harry Dean, 1926-....
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Public Domain
Rodgers, Calbraith Perry
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anonymous - CC BY-SA 3.0
Partch, Harry, 1901-1974
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Gillette, C. P. (Clarence Preston), 1859-1941
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Robert, Henry M. (Henry Martyn), 1837-1923
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gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
Siddig, Alexander, 1965-....
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Fagan, Louis, 1845-1903
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Georges Biard - CC BY-SA 3.0
Deneuve, Catherine, 1943-....
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Lardner, Dionysius, 1793-1859
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unknown -
Tollens, H. (Hendrik), 1780-1856
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"Photograph courtesy of United States Steel Corporation". The company was the sponsor of the program. - Public Domain
Kiley, Richard
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Domitian, Emperor of Rome, 51-96
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unknown - Public Domain
Boberg, Ferdinand, 1860-1946
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No author listed, no copyright marks - Public Domain
Norman, Lucille
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janinsanfran - CC BY-SA 2.0
Robinson, V. Gene, 1947-
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Hall, J.L. (John L.), 1934-
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Coventry, Thomas Coventry, Baron, 1578-1640
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Laborde, Jean-Joseph, marquis de, 1724-1794
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Jamesfranklingresham - CC BY-SA 3.0
Morison, Ian, 1943-
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20th Century Fox -
Mulhare, Edward
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Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?