Overy, Richard, author
Andre Deutsch, 2014
Buku Teks
Hartman, Andrew, author
The University of Chicago Press, 2016
Buku Teks
Quinn, Arthur Hobson, author
Irvington Publishers, 1943
Buku Teks
Catton, Bruce, author
Dell Publishing, 1960
Buku Teks
Grob, Fritz, author
Yale University Press, 1949
Buku Klasik