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Unknown -
GrzegorzPetka - Public Domain
Photographer not credited - Public Domain
unknown - Public Domain
Dschwen - CC BY-SA 4.0
RKS182 - Public Domain
G Vertue - Public Domain
Charles Townley - Public Domain
Photographer: R.N.H. Stiles - Public Domain
original uploader -
KimonBerlin - CC BY-SA 2.0
ETH Zürich - CC BY-SA 3.0
Charles Balthazar Julien Fevret de Saint-Mémin (1770-1852) - Public Domain
Bill McKern - Public Domain
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Unknown -
Mombert, Alfred, 1872-1942
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GrzegorzPetka - Public Domain
Różycki, Ludomir, 1884-1953
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Ingenhousz, Jan, 1730-1799
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Photographer not credited - Public Domain
Lassiter, Francis Rives, 1866-1909
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Rutherford, William, 1839-1899
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unknown - Public Domain
O'Connor, J. F. T., 1884-1949
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Caterina, consort of Ferdinando I Gonzaga, Duke of Mantua, 1593-1629
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Dschwen - CC BY-SA 4.0
Chapin, Tom
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Pâris, Pierre-Adrien, 1745-1819
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Betjeman, John, 1906-1984
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RKS182 - Public Domain
Dyer, Mary M., 1780-
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G Vertue - Public Domain
Gower, John, 1325?-1408
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Charles Townley - Public Domain
Bigland, Ralph, 1711-1784
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Long, Johnny, 1916-1972
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Dixon, Thomas, 1864-1946
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Muhammad, Elijah, 1897-1975
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Photographer: R.N.H. Stiles - Public Domain
Middleton, J. H. (John Henry), 1846-1896
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Popenoe, Paul, 1888-1979
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Birkenhead, Frederick Edwin Smith, earl of, 1872-1930
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Della Rovere, Francesco Maria, duca d'Urbino, 1490-1538
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KimonBerlin - CC BY-SA 2.0
Bush, Sam, 1952-
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ETH Zürich - CC BY-SA 3.0
Lübke, Wilhelm, 1826-1893
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Janin, Jules, 1804-1874
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unknown - Public Domain
Jones, Robert Emmett, 1912-1997
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Charles Balthazar Julien Fevret de Saint-Mémin (1770-1852) - Public Domain
Van Rensselaer, K. K. (Killian Killian), 1763-1845
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Bill McKern - Public Domain
Hazelton, Gerry W. (Gerry Whiting), 1829-1920
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Merson, Luc-Olivier 1846-1920
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Vaughan-Thomas, Wynford, 1908-1987
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Thomson, Charles, 1729-1824
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Gunther, Erna, 1896-1982