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Mercury Artists Corp., New York - Public Domain
user at project - CC BY-SA 3.0
unknown - Public Domain
SRI International - CC BY-SA 3.0
Gaillyn Cooper - CC BY 3.0
NBC Television - Public Domain
K. Kendall - CC BY 2.0
Ulrich Lange, Dunedin, New Zealand - Public Domain
Unattributed - Public Domain
Miller of Washington - Public Domain
author - Public Domain
Contributor(s): North Queensland Register - Public Domain
Smithsonian Institution -
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Mercury Artists Corp., New York - Public Domain
Gilbert, Billy, 1893-1971
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Dudow, Slatan
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user at project - CC BY-SA 3.0
Walker, Jerry Jeff
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Marlborough, Sarah Jennings Churchill, Duchess of, 1660-1744
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Newcastle, Henry Pelham Fiennes Pelham Clinton, Duke of, 1785-1851
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unknown - Public Domain
Lohr, Marie, 1890-1975
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Smith, Miles, -1624
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Edeson, Robert, 1868-1931
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Sewall, Harold Marsh, 1860-1924
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Bullinger, Heinrich, 1504-1575
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Patterson, Boyd Crumrine, 1902-
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SRI International - CC BY-SA 3.0
Gibson, Weldon B., 1917-
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Belcourt, George Antoine, 1803-1874
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Gaillyn Cooper - CC BY 3.0
Mansell, Chris, 1953-
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NBC Television - Public Domain
Lamas, Fernando
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Merrill, W. E. (William Emery), 1837-1891
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Struve, Otto, 1819-1905
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K. Kendall - CC BY 2.0
Addy, Obo
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unknown - Public Domain
Drobisch, Moritz Wilhelm, 1802-1896
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Ulrich Lange, Dunedin, New Zealand - Public Domain
Wakefield, Priscilla, 1751-1832
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Unattributed - Public Domain
Tinel, Edgar, 1854-1912
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Grosvenor, Cyrus Pitt, 1792-1879
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Miller of Washington - Public Domain
Herlong, Albert Sydney, 1909-1995
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author - Public Domain
Boudin, Eugène, 1824-1898
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Arnold, Julius, 1835-1915
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Gramont, Antoine, duc de, 1604-1678
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Contributor(s): North Queensland Register - Public Domain
Stanton, George Henry, 1835-1905
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Smithsonian Institution -
Scaravaglione, Concetta, 1900-1975
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Klutznick, Philip M. 1907-
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Blaskowitz, Johannes von, 1883-1948