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George Parker, after J. Moore - Public Domain
Rubin Nizri - CC BY-SA 3.0
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Joseph Kriehuber - Public Domain
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Nightscream - CC BY 3.0
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Rev. Franklin Shumway Howe (1809-1897) - Public Domain
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Dpryan - Public Domain
Georges Biard - CC BY-SA 3.0
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T and R Annan, Glasgow - Public Domain
National Photo Company - Public Domain
Marine 69-71 - CC BY-SA 3.0
unknown - Public Domain
Greg Hernandez - CC BY 2.0
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Ludovic Baschet (1834-1909) -
Frère, Pierre Édouard (1819-1886).
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George Parker, after J. Moore - Public Domain
Monk, James Henry, 1784-1856
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Casselli, Henry, 1946-
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Rubin Nizri - CC BY-SA 3.0
Church, F. Forrester
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Public Domain
Ravenscroft, John Stark, 1772-1830
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Joseph Kriehuber - Public Domain
Dreyschock, Alexander, 1818-1869
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Dawkins, Richard, 1941-
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Knm3211 - CC BY-SA 3.0
Olkin, Ingram
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Gordon, Alan, 1953-
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Goodnow, Frank J., 1859-1939
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Sim, T.R. (Thomas Robertson), 1858-1938
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Nightscream - CC BY 3.0
Giella, Joe
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Field, John, 1782-1837
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nicolas genin - CC BY-SA 2.0
Bird, Brad, 1957-
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Preston, Robert, 1918-1987
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Rev. Franklin Shumway Howe (1809-1897) - Public Domain
Magee, John, 1794-1868
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Egoyan, Atom, 1960-....
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Dpryan - Public Domain
Reichardt, Louis F.
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Winner, Michael
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Ḳenan, ʿAmos 1927-2009
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Rohrbach, Paul, 1869-1956
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Sibley, Mary Easton, 1800-1878
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Georges Biard - CC BY-SA 3.0
Watson, Emma, 1990-....
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Lambert, George, 1873-1930
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Loschmidt, J. (Johann Josef), 1821-1895
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T and R Annan, Glasgow - Public Domain
Lavery, John, 1856-1941
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National Photo Company - Public Domain
Miller, T. W. (Thomas Woodnutt), 1886-1975
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Marine 69-71 - CC BY-SA 3.0
Bolles, Don
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unknown - Public Domain
Whalley, G. H. (George Hammond), 1813-1878
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Greg Hernandez - CC BY 2.0
Jackson, Anne, 1926-