Dinerstein, H.S., author
Frederick A. Praeger, 1962
Buku Teks
Grob, Fritz, author
Yale University Press, 1949
Buku Klasik
Foreign Affairs, 1960
Buku Teks
Bartram, JW
London [etc.] Longmans [etc.] 1899
Buku Teks
Darcy, Shane, author
Cambridge University Press, 2014
Buku Teks