Takahashi, M., author
Taiseido Shobo, 1953
Buku Referensi
Karlgren, Bernhard, author
Dover Publications, 1974
Buku Referensi
Sigea, Kawamoto
Tpkyp Kodansha 1979
Buku Referensi
Sanki, Ichikawa, author
Harvard University Press, 1942
Buku Referensi
edited by Takenobu Yoshitaro
Harvard University Press, 1942
Buku Referensi