edited by John K. Fairbank
Phoenix Books, 1967
Buku Teks
Howard, Darlene V., author
Macmillan, 1983
Buku Teks
Shientag, Bernard L.
The Viking Press, 1943
Buku Teks
Runes, Dagobert D., author
Philosophical Library, 1959
Buku Referensi
Dewey, John, author
Dover Publications, INC, [t.th.]
Buku Teks