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William Holl - Public Domain
unknown - Public Domain
SciWomen2006 - CC BY-SA 3.0
James Franklin Briggs, author. Manchester Historic Association (Manchester, NH), publisher. - Public Domain
Hawaiian Mission Children's Society - Public Domain
M. Gaston Vasseur -
Thesupermat - CC BY-SA 3.0
William James Topley - Public Domain
Marc Majcher - CC BY-SA 2.0
Lauren Gerson - Public Domain
Greenleaf -
https://zh.wikipedia.org/wiki/Wwoo22 -
VGrigas (WMF) - CC BY-SA 3.0
Public Domain
Samuel Wernain - CC BY-SA 3.0
U.S. Government Printing Office. - Public Domain
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William Holl - Public Domain
Lever, Ashton, Sir, 1729-1788
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unknown - Public Domain
Rothwell, Walter H. (Walter Henry), 1872-1927
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Lambert, Christopher, 1957-
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unknown - Public Domain
Pool, Solomon, 1832-1901
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SciWomen2006 - CC BY-SA 3.0
Bennett, J.W.
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Finletter, Thomas K. (Thomas Knight), 1893-1980
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James Franklin Briggs, author. Manchester Historic Association (Manchester, NH), publisher. - Public Domain
Wilson, James, 1797-1881
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Hawaiian Mission Children's Society - Public Domain
Andrews, Lorrin, 1795-1868
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M. Gaston Vasseur -
Heckel, Édouard 1843-1916
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Thesupermat - CC BY-SA 3.0
Labro, Philippe, 1936-....
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Mackenzie, William Lyon, 1795-1861
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Kreutzer, Rodolphe
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Debré, Michel, 1912-
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Mapes, Carl E. (Carl Edgar), 1874-1939
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William James Topley - Public Domain
Drummond, Geo. A. (George Alexander), Sir, 1829-1910
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Hornak, Ian, 1944-2002
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Marc Majcher - CC BY-SA 2.0
Brimley, Wilford, 1935-2020
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Lauren Gerson - Public Domain
Green, Ernest G. (Ernest Gideon), 1941-
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Greenleaf -
Hale, Nathan, 1755-1776
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https://zh.wikipedia.org/wiki/Wwoo22 -
Yan, Martin, 1948-
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VGrigas (WMF) - CC BY-SA 3.0
Kawasaki, Guy, 1954-
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Phillpotts, Henry, 1778-1869
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unknown - Public Domain
Read, John Meredith, 1837-1896
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Public Domain
Gerhardt, Ch., 1816-1856
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Samuel Wernain - CC BY-SA 3.0
Calmet, Augustin, 1672-1757
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Driver, Minnie
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U.S. Government Printing Office. - Public Domain
Cole, Albert M. (Albert McDonald), 1901-1994
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Władysław IV Zygmunt, King of Poland, 1595-1648
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Serrano y Domínguez, Francisco, duque de la Torre, 1810-1885
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Ogata, Kōrin, 1658-1716