Kodansha encyclopedia of Japan : suplemen
Kodansha, 1983
Buku Referensi
Japan : An illustrated encyclopedia
Kodansha, 1993
Buku Referensi
The Cambridge encyclopedia of Japan
editor, Richard Bowring
Cambridge University Press, 1993
Buku Referensi
The Japan biographical encyclopedia & who's who
Rengo Press, 1958
Buku Referensi
Kodansha encyclopedia of Japan; Volume 1
Kodansha, 1983
Buku Referensi