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Konrad Jacobs, Erlangen - CC BY-SA 2.0
Derek Bridges - CC BY 2.0
NBC Television - Public Domain
Fülesbagoly - Public Domain
Mathew Brady - Public Domain
unknown - Public Domain
Unknown author - Public Domain
Unknown photographer of the USMC Signal Corps - Public Domain
J. Rogers, engraver - Public Domain
Gabriela Kotik - CC BY-SA 3.0
L. T. Meade - no photo credit. Hurst & Company Publishers - Public Domain
HighlighterYellowFive - CC BY-SA 4.0
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Konrad Jacobs, Erlangen - CC BY-SA 2.0
Bauer, Heinz, 1928-....
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Singleton, Penny, 1908-2003
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Bartlett, John Russell, 1805-1886
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Derek Bridges - CC BY 2.0
Shearer, Harry, 1943-....
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NBC Television - Public Domain
Abbott, Bud, 1895-1974
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Fülesbagoly - Public Domain
Filipecz, Johann, 1431-1509
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Rogers, Leonard, 1868-1962
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Mathew Brady - Public Domain
Chanfrau, Henrietta, 1837-1909
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Corvisart des Marets, Jean Nicolas, baron, 1755-1821
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Nye, Joseph S.
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Orbigny, Alcide Dessalines d' 1802-1857
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Nicole, Pierre, 1625-1695
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Repetto, Nicolás 1871-1965
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Churchill, Winston, 1874-1965
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Gmelin, C. G. (Christian Gottlob), 1792-1860
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Foreman, George, 1949-....
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unknown - Public Domain
Winkelmann, Hermann, 1849-1912
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Wilbur, Curtis Dwight, 1867-1954
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Unknown author - Public Domain
Costa, Alexandrina Maria da 1904-1955
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Unknown photographer of the USMC Signal Corps - Public Domain
Maas, Melvin Joseph, 1898-1964
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Agasse, Jacques Laurent, 1767-1849
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J. Rogers, engraver - Public Domain
Allen, Stephen, 1767-1852
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Marshall, John, 1818-1891
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Gabriela Kotik - CC BY-SA 3.0
Kotík, Jan Jakub, 1972-2007
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Bayle, Pierre, 1647-1706
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Craig, Edward Arthur, 1896-1994
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unknown - Public Domain
Hamilton, William Stephen, 1797-1850
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L. T. Meade - no photo credit. Hurst & Company Publishers - Public Domain
Meade, L. T., 1854-1914
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Leitch, William Leighton, 1804-1883
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HighlighterYellowFive - CC BY-SA 4.0
Reeves, Carlton W., 1964-