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Billinghurst - CC BY-SA 3.0
No photographer credited. - Public Domain
Jahresbericht der Deutschen Mathematiker-Vereinigung 1915 - Public Domain
Public Domain
unknown - Public Domain
Georg Meisenbach - Public Domain
United States Navy - Public Domain
unknown photographer - Public Domain
David Lawrence Pierson, author. Lewis Historical Publishing Company (New York, NY), publisher. - Public Domain
unknown (Cardinal Pictures / United Artists) - Public Domain
U.S. Navy -
David Shankbone - CC BY 3.0
Patty P - Public Domain
A. J. Kane (compiler) - Public Domain
United States Commission on Religious Freedom - Public Domain
Francis Perry - Public Domain
jeffdunncom - CC BY 2.0
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Crystal, David, 1941-....
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Billinghurst - CC BY-SA 3.0
Colvin, Sidney, 1845-1927
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No photographer credited. - Public Domain
Brehm, Marie Caroline, 1859-1926
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Oriel, John Foster, Baron, 1740-1828
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Egorova, Lubov Nikolaevna, 1880-1972
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Jahresbericht der Deutschen Mathematiker-Vereinigung 1915 - Public Domain
Burkhardt, Heinrich, 1861-1914
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Public Domain
Christian I, Prince of Anhalt-Bernburg, 1568-1630
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unknown - Public Domain
Corrigan, Dominic, Sir, 1802-1880
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Georg Meisenbach - Public Domain
Blatchford, Robert, 1851-1943
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Carey, S. Warren (Samuel Warren)
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United States Navy - Public Domain
Edwards, Richard S. (Richard Stanislaus), 1885-1956
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unknown photographer - Public Domain
Veiller, Bayard, 1869-1943
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Peabody, Endicott, 1920-1997
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David Lawrence Pierson, author. Lewis Historical Publishing Company (New York, NY), publisher. - Public Domain
Blake, John L. (John Lauris), 1831-1899
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unknown (Cardinal Pictures / United Artists) - Public Domain
Walker, Helen, 1921-1968
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U.S. Navy -
Colbert, Richard G., -1973
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Naldi, Nita, 1895-1961
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David Shankbone - CC BY 3.0
Buscemi, Steve, 1958-
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Patty P - Public Domain
Migliorisi, Ricardo
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Karsh, Yousuf, 1908-2002
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Reed, Thomas Buck, 1787-1829
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A. J. Kane (compiler) - Public Domain
Jones, George, 1811-1891
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Quincy, Edmund, 1681-1738
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Elizabeth II, Queen of Great Britain, 1926-2022
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United States Commission on Religious Freedom - Public Domain
Land, Richard D.
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Francis Perry - Public Domain
Hutton, Matthew, 1529-1606
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Gritti, Andrea, 1455-1538
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Homer
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Dwight, J. W. (Jeremiah Wilbur), 1819-1885
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jeffdunncom - CC BY 2.0
Callaway, Ann Hampton