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LSE Library - Public Domain
unknown - Public Domain
Original uploader was Timeshift9 - Public Domain
Arnaldo Colombaroli - Public Domain
Waldon Fawcett - Public Domain
Harris & Ewing -
en - Public Domain
author - Public Domain
Nv8200p - CC BY-SA 3.0
Internet Archive Book Images -
*:File:Robert_Hope-Jones.jpg - Public Domain
Before 1845 - Public Domain
? - Public Domain
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Lenoir, Alexandre, 1761-1839
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LSE Library - Public Domain
Meade, J.E. (James Edward), 1907-1995
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unknown - Public Domain
Dwan, Dorothy, 1906-1981
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Carter, Chris, 1957-....
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Original uploader was Timeshift9 - Public Domain
Cosgrove, Robert, 1884-1969
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O'Brien, George, 1900-1985
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Arnaldo Colombaroli - Public Domain
Crespin, Régine
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Waldon Fawcett - Public Domain
Loomis, Francis B. (Francis Butler), 1861-1948
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Rogers, Fred, 1928-2003
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Zupitza, Julius, 1844-1895
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Harris & Ewing -
Reed, Stanley Forman, 1884-1980
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en - Public Domain
Wang, Jingwei, 1883-1944
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Loewner, Charles, 1893-1968
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Le Tellier, Charles-Maurice, 1642-1710
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Hardy, Leonard Wilford, 1805-1884
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author - Public Domain
Barry, John Decatur, 1839-1867
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Symington, Stuart, 1901-1988
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Cassel, Seymour, 1935-....
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Lebourg, Albert, 1849-1928
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Nv8200p - CC BY-SA 3.0
Roddenberry, Gene, 1921-1991
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Cornélissen, Christiaan (1864-1943).
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Internet Archive Book Images -
Colbert, Edwin H. (Edwin Harris), 1905-2001
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Hauksbee, Francis, 1666-1713
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*:File:Robert_Hope-Jones.jpg - Public Domain
Hope-Jones, Robt. (Robert), 1859-1914
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Before 1845 - Public Domain
Storr, Paul, 1771-1844
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Waller, Bill, 1926-2011
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unknown - Public Domain
Kousnetzoff, Constantin, 1863-1936
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? - Public Domain
Bastiat, Frédéric, 1801-1850
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Rinehart, William Henry, 1825-1874
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De Luca, Augusto