Rose-Innes, Arthur, author
Yoshikawa, [date of publication not identified]
Buku Referensi
Takahashi, M., author
Taiseido Shobo, 1953
Buku Referensi
Yamagiwa, Joseph K., author
McGraw-Hill, 1942
Buku Referensi
compiled by T. Geppert
Rupert Enderle, 1951
Buku Referensi
Sanseido, [date of publication not identified]
Buku Referensi