Toynbee, Arnold J., author
Oxford University Press, 1956
Buku Teks
Toynbee, Arnold J., author
Oxford University Press, 1957
Buku Teks
Mason, Stephen F., author
Collier Books, 1962
Buku Teks
Merzbach, Uta C., 1933-, author
John Wiley & Sons, 2011
Buku Teks
Buku Teks