Kennan, George F., 1904-
An Atlantic Monthly Press Book, 1961
Buku Teks
Oxford University Press, 1951
Buku Teks
Werth, Alexander
Hill and Wang, 1961
Buku Teks
Fischer, Louis
Princeton University Press, 1951
Buku Teks
Fischer, George
Harvard University Press, 1952
Buku Teks