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unknown - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
Huster - Public Domain
Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Zulfikar Ghose - Public Domain
Galerie hammer - CC BY-SA 4.0
Ferdinand Jagemann - Public Domain
Library of the London School of Economics and Political Science -
US Navy - Public Domain
Public Domain
Per Morten Abrahamsen - CC BY 3.0
DEDB - Public Domain
University of Washington - Public Domain
William Walker - Public Domain
Oldsoft - Public Domain
not known - taken from the book "History of England" - Public Domain
Photograph - Public Domain
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unknown - Public Domain
Purdue, John, 1802-1876
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Muther, Richard, 1860-1909
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George Grantham Bain Collection (Library of Congress) - Public Domain
Austin, Gene, 1900-1972
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Huster - Public Domain
Cerrito, Fanny
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Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Sonnenthal, Adolf, Ritter von, 1834-1909
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Manners-Sutton, Charles, 1755-1828
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Zulfikar Ghose - Public Domain
Ghose, Zulfikar, 1935-....
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Adams, Walter S. (Walter Sydney), 1876-1956
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Hassall, Arthur-Hill, 1817-1894
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unknown - Public Domain
Karth, Joseph E. (Joseph Edward), 1922-2005
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Galerie hammer - CC BY-SA 4.0
Beauvoir, Hélène de, 1910-
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Greenup, Christopher, 1750-1818
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Carey, John, 1792-1875
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Ferdinand Jagemann - Public Domain
Nissen, Georg Nikolaus 1761-1826
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Library of the London School of Economics and Political Science -
Parker, Peter, Sir, 1924-2002
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US Navy - Public Domain
Greenslade, John Wills, 1880-1950
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Public Domain
Röntgen, Wilhelm Conrad, 1845-1923
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Per Morten Abrahamsen - CC BY 3.0
Møller, Mærsk Mc-Kinney
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Ford, Richard, 1796-1858
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DEDB - Public Domain
Scotto, Renata, 1934-....
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University of Washington - Public Domain
Hitchcock, Raymond, 1865-1929
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William Walker - Public Domain
Raine, James, 1791-1858
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unknown - Public Domain
Simpson, William, 1823-1899
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Oldsoft - Public Domain
Eschenbach, Christoph
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not known - taken from the book "History of England" - Public Domain
Popham, Edward, 1610?-1651
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Kordecki, Augustyn, 1603-1673
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Photograph - Public Domain
Judd, Norman B. (Norman Buel), 1815-1878
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Public Domain
Heaton, Leonard D. (Leonard Dudley), 1902-1983
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Christopher, Tom
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Francesco I d'Este, Duke of Modena and Reggio, 1610-1658