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unknown - Public Domain
United States Senate Historical Office - Public Domain
AdonisEuropeo - CC BY-SA 4.0
The Library of Congress -
Lithograph by August Kneisel after Cäcilie Brandt - Public Domain
Johnmaxmena2 - CC BY-SA 4.0
U.S. Coast Guard - Public Domain
NBC Television - Public Domain
Columbia Pictures provided the photo to the Dixie Cup Company for use as a premium. - Public Domain
Harper's Weekly - Public Domain
Giulia Forsythe - CC BY-SA 2.0
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Boucicault, Dion, 1859-1929
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Taubert, Wilhelm, 1811-1891
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Rogers, Leonard, 1868-1962
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Sloan, Samuel, 1817-1907
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unknown - Public Domain
Six, Robert F.
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United States Senate Historical Office - Public Domain
Dana, Judah, 1772-1845
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Velázquez, Diego, 1599-1660
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AdonisEuropeo - CC BY-SA 4.0
Infante, Manuel, 1883-1958
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The Library of Congress -
Spanier, Muggsy, 1906-1967
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Benedict XVI, Pope, 1927-
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Hoadly, John, 1711-1776
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Lithograph by August Kneisel after Cäcilie Brandt - Public Domain
Pixis, Johann Peter, 1788-1874
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unknown - Public Domain
Bandini, Arcadia, 1825-1912
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Johnmaxmena2 - CC BY-SA 4.0
Bell, Cool Papa, 1903-1991
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U.S. Coast Guard - Public Domain
Richmond, Alfred C. (Alfred Carroll), 1902-1984
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Douhet, Giulio, 1869-1930
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Hetherington, Norman, 1921-2010
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NBC Television - Public Domain
Bancroft, Anne, 1931-2005
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unknown - Public Domain
Stephenson, David Curtis, 1891-1966
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Moorhead, William S. (William Singer), 1923-1987
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Bovill, William, Sir, 1814-1873
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Figl, Leopold, 1902-1965
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unknown - Public Domain
Morton, Samuel George, 1799-1851
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Yost, Graham.
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Thornton, Anna Maria Brodeau, 1775?-1865
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Columbia Pictures provided the photo to the Dixie Cup Company for use as a premium. - Public Domain
McCoy, Tim
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Francesco I, Grand-Duke of Tuscany, 1541-1587
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Harper's Weekly - Public Domain
Eustis, James B. (James Biddle), 1834-1899
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Giulia Forsythe - CC BY-SA 2.0
Hay, Elizabeth, 1951-
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unknown - Public Domain
Harris, C. Alexander (Charles Alexander), Sir, 1855-1947