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Stuart Ramson/InsiderImages for Scholastic - CC BY 2.0
. - Public Domain
Dirk - CC BY-SA 2.0
unknown - Public Domain
Scienceman1 - CC BY-SA 3.0
Public Domain
anonymous - Public Domain
Nicolas Bazin, after a painting by Joannes Michel - Public Domain
Konrad Jacobs - CC BY-SA 2.0
Министерство обороны Российской Федерации -
Artur Andrzej - CC BY-SA 4.0
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Back, George, Sir, 1796-1878
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Stuart Ramson/InsiderImages for Scholastic - CC BY 2.0
Shannon, David, 1959-....
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. - Public Domain
Palmer, Thomas Witherell, 1830-1913
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Morris, Errol
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Dirk - CC BY-SA 2.0
Fateman, Johanna, 1974-
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Tschirch, A. (Alexander), 1856-1939
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Taylor, Charles, 1840-1908
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unknown - Public Domain
Essex, Robert Devereux, Earl of, 1591-1646
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Waud, William, -1878
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unknown - Public Domain
Fox, William, 1879-1952
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Whitty, May, Dame, 1865-1948
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Scienceman1 - CC BY-SA 3.0
Gardner, Don (Musician)
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Wolcott, Jesse P. (Jesse Paine), 1893-1969
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Public Domain
Walther, C.F.W. (Carl Ferdinand Wilhelm), 1811-1887
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O'Brien, Pat, 1899-1983
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Nash, Charles Warren, 1864-1948
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Sellaio, Jacopo del, 1441 or 1442-1493
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anonymous - Public Domain
Bannerman, Helen, 1862-1946
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Haighton, John, 1755-1823
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Ley, Robert, -1945
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Paul, John, 1883-1964
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Pelzeln, August von 1825-1891
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Nicolas Bazin, after a painting by Joannes Michel - Public Domain
Maignan, Emmanuel, 1601-1676
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Mantello, Joe
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Halévy, Ludovic, 1834-1908
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Konrad Jacobs - CC BY-SA 2.0
Rado, Richard, 1906-
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Министерство обороны Российской Федерации -
Pokryshkin, Aleksandr Ivanovich
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Artur Andrzej - CC BY-SA 4.0
Loew, Peter Oliver, 1967-....
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Dinesen, Thomas, 1892-1979
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Pickering, William