Buku Teks
edited by John K. Ryan
The Catholic University of America Press, 1963
Buku Teks
Zeller, Eduard, 1814-1908
Meridian Books, 1960
Buku Teks
Fung, Yu-lan
The Free Press, 1976
Buku Teks
Collins, James
The Bruce Publishing Company, 1954
Buku Teks