Tanham, George K., author
Ferderick A. Praeger, 1966
Buku Teks
Lawrence, Mark Atwood, author
Oxford University Press, 2010
Buku Teks
Appy, Christian G., author
Penguin, 2016
Buku Teks
Logevall, Fredrik, 1963-, author
Random House Trade Paperbacks, 2012
Buku Teks
edited by Andreas W. Daum, Lloyd C. Gardner, Wilfried Mausbach
Cambridge University Presss, 2003
Buku Teks