Ochsenwald, William, author
McGraw-Hill, 2011
Buku Teks
Hooker, M. B., author
Clarendon Press, 1978
Buku Teks
edited and with introductions by Charles Issawi
The University of Chicago Press, 1966
Buku Teks
Roosevelt, Kermit
New York Harper and Brothers 1949
Buku Teks
Lockman, Zachary, author
Cambridge, 2004
Buku Teks