Shirer, William L.
Simon and Schuster, 1960
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Mcdonough, Frank
Cambridge University Press , 2000
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Jarman, T.L.
The Cresset Press, 1955
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Epstein, Catherine
Wiley Blackwell, 2015
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Zaharia, Gheorghe
Stiintifica si Enciclopedica, 1975
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