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Estudio Courret, c. 1910 - Public Domain
Doc Searls - CC BY-SA 2.0
Alexander Makarov / Александр Макаров -
Original uploader was --Goku -
Bain News Service (no photographer credited) - Public Domain
Public Domain
unknown - Public Domain
Ed Newman - CC BY 2.0
George Washington Kingsbury, (1837-1925). - Public Domain
Italienischer Maler des 16. Jahrhunderts -
Ilonamay - CC BY-SA 4.0
Harper's Weekly - Public Domain
Copyright 2007, S.M.S.I., Inc. - Owen Williams, The Kasparov Agency. -
Llywelyn2000 - CC BY-SA 4.0
Ella Hutchinson Ellwanger, author. State Journal Company (Frankfort, KY), publisher. - Public Domain
James Atkinson (1780-1852) - Public Domain
Image from Wikimedia Commons
Braun, Otto, 1900-1974
Image from Wikimedia Commons
Estudio Courret, c. 1910 - Public Domain
García Calderón, Francisco 1883-1953
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Doc Searls - CC BY-SA 2.0
Boudin, Michael, 1939-
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Alexander Makarov / Александр Макаров -
Liepa, Māris, 1936-1989
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Original uploader was --Goku -
Carteret, Philip, 1639-1682
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Bain News Service (no photographer credited) - Public Domain
Warren, Whitney, 1864-1943
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McDowell, Fred
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Public Domain
Fairchild, David, 1869-1954
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Domagk, Gerhard, 1895-1964
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unknown - Public Domain
Vandal, Albert, 1853-1910
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Levy, Jefferson M. (Jefferson Monroe), 1852-1924
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Goodwin, William Watson, 1831-1912
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unknown - Public Domain
Nickerson, Thomas, 1805-1883
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Ed Newman - CC BY 2.0
Cheatham, Doc
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unknown - Public Domain
Vermeule, C. C. (Cornelius Clarkson), 1858-1950
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Lievens, Jan, 1607-1674
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George Washington Kingsbury, (1837-1925). - Public Domain
Pickler, J. A. (John Alfred), 1844-1910
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Selvon, Samuel
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Ouspenskaya, Maria, 1876-1949
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Italienischer Maler des 16. Jahrhunderts -
Marenzio, Luca, 1553-1599
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Zhuge, Liang, 181-234
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Ilonamay - CC BY-SA 4.0
Key, Lieven de, approximately 1560-1627
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Harper's Weekly - Public Domain
Eustis, James B. (James Biddle), 1834-1899
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Copyright 2007, S.M.S.I., Inc. - Owen Williams, The Kasparov Agency. -
Kasparov, G. K. (Garri Kimovich)
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Llywelyn2000 - CC BY-SA 4.0
Lhuyd, Edward, 1660-1709
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unknown - Public Domain
Stuart, George Okill, 1776-1862
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Ajdukiewicz, Tadeusz (1852-1916).
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Ella Hutchinson Ellwanger, author. State Journal Company (Frankfort, KY), publisher. - Public Domain
Wilder, Wilbur Elliott, 1856-1952
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James Atkinson (1780-1852) - Public Domain
Conolly, Arthur, 1807-1842?
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Mills, C.Wright (Charles Wright), 1916-1962