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unknown - Public Domain
BéatriceLouise - Public Domain
Dunnope12 - CC BY-SA 3.0
Asurnipal - CC BY-SA 4.0
Julian Vannerson - Public Domain
Cecil Barth - Public Domain
unknown -
Perry, William Stevens - Public Domain
Nick-D - CC BY-SA 4.0
Tjnorris - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
Not clear - Public Domain
Mathew Brady Levin Corbin Handy - Public Domain
Librairie Mollat - CC BY-SA 4.0
National Photo Company - Public Domain
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Crystal, David, 1941-....
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Carroll, William, 1788-1844
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Janssens, Francis, 1843-1897
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Macnaghten, Melville L. (Melville Leslie), 1853-1921
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unknown - Public Domain
Camden, John Jeffreys Pratt, Marquis of, 1759-1840
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BéatriceLouise - Public Domain
Bouquet, Michel
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Dunnope12 - CC BY-SA 3.0
Greenberg, Irving, 1933-....
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Asurnipal - CC BY-SA 4.0
Gruber, Karl, 1909-1995
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Grafton, Charles Fitzroy, Duke of, 1683-1757
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Julian Vannerson - Public Domain
Wade, Edward, 1802-1866
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Cecil Barth - Public Domain
Saintsbury, H. A. (Harry Arthur), 1869-1939
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Dollond, John, 1706-1761
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unknown -
Carus, Paul, 1852-1919
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Perry, William Stevens - Public Domain
Atkinson, Thomas, 1807-1881
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Nick-D - CC BY-SA 4.0
Gunn, Ronald Campbell, 1808-1881
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Freycinet, Louis Claude Desaulses de 1779-1842
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Cortez, Ricardo, 1899-1977
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Brasillach, Robert, 1909-1945
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Nixon, Marian, 1904-1983
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Tjnorris - CC BY-SA 3.0
Norris, T. J.
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Vogt, Karl Christoph, 1817-1895
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Georges Biard - CC BY-SA 3.0
Poupaud, Melvil
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Not clear - Public Domain
Chapin, Anna Alice, 1880-1920
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Martin du Gard, Maurice, 1896-1970
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Mathew Brady Levin Corbin Handy - Public Domain
Townsend, Washington, 1813-1894
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Mead, Elwood, 1858-1936
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Nicklaus, Jack
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Librairie Mollat - CC BY-SA 4.0
Christie, William (William Lincoln)
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National Photo Company - Public Domain
Frelinghuysen, Joseph S. (Joseph Sherman), 1869-1948
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Addison, Joseph, 1672-1719