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Republic2011 - CC BY 3.0
Mike Hayes - CC BY-SA 4.0
Coburn, Alvin Langdon, 1882-1966 -- Photographer - Public Domain
unknown - Public Domain
william.L - CC BY-SA 4.0
Ericshawwhite - CC BY-SA 3.0
Gadi Dagon - CC BY-SA 3.0
U.S. Government Printing Office. - Public Domain
Barda azreal - CC BY-SA 3.0
Klaus Brückner -
misibacsi -
Lithographie: Eduard Kaiser; Foto: Peter Geymayer (:de:Peter Geymayer - Public Domain
Damien D -
Public Domain
US Government Printing Office - Public Domain
Bureau of Industrial Service – A Division of :en:Young & Rubicam - Public Domain
Georges Biard - CC BY-SA 3.0
Mattia Luigi Nappi - CC BY-SA 3.0
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Republic2011 - CC BY 3.0
Hulûsi Behcet -1948
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Mike Hayes - CC BY-SA 4.0
Ravenscroft, Thomas, 1592?-1635?
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Coburn, Alvin Langdon, 1882-1966 -- Photographer - Public Domain
Davies, W.H. (William Henry), 1871-1940
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unknown - Public Domain
Kotzebue, Otto von, 1787-1846
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Paolini, Marco
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Converse, F. S. (Frederick Shepherd), 1871-1940
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william.L - CC BY-SA 4.0
Davison, Archibald T. (Archibald Thompson), 1883-1961
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Dyson, Frank Watson, 1868-1939
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Ericshawwhite - CC BY-SA 3.0
Lang, Otto, 1908-2006
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Levingston, Roberto Marcelo, 1920-....
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Wright, G.H. von (Georg Henrik), 1916-2003
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Gadi Dagon - CC BY-SA 3.0
Lazarov, Yehezkel, 1974-
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U.S. Government Printing Office. - Public Domain
Coffin, Frank M. (Frank Morey), 1919-2009
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Barda azreal - CC BY-SA 3.0
Robertson, Lexie Dean, 1893-
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Klaus Brückner -
Mariano, Charlie
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Slater, Michael, 1970-
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misibacsi -
Kondor, Béla, 1931-1972
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unknown - Public Domain
Memminger, C. G. (Christopher Gustavus), 1803-1888
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Lithographie: Eduard Kaiser; Foto: Peter Geymayer (:de:Peter Geymayer - Public Domain
Hyrtl, Joseph, 1811-1894
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Damien D -
Brueggergosman, Measha
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Public Domain
Burns, William Chalmers, 1815-1868
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Woodruff, Wilford, 1807-1898
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Nöldeke, Theodor, 1836-1930
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US Government Printing Office - Public Domain
Shannon, James, 1952-
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Bureau of Industrial Service – A Division of :en:Young & Rubicam - Public Domain
Petersen, Paul, 1945-
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Cayley, George, Sir, 1773-1857
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Georges Biard - CC BY-SA 3.0
Palcy, Euzhan
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Mattia Luigi Nappi - CC BY-SA 3.0
Petrucci, Luigi <1956- >
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Andrews, C. F. (Charles Freer), 1871-1940
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Public Domain
Cheney, Person Colby, 1828-1901