Connelly, Bridget
University Press, 1986
Buku Teks
Ker, W.P.
Dover Publication, Inc., 1957
Buku Teks
McNickle, D`Arcy, author
J.B. Lippincott, 1949
Buku Teks
Longfellow, Henry W.
Progress Publishers, 1967
Buku Teks
Yoshirawa, Eiji
Tokyo Kodansha International 1992,
Buku Teks