Yoshino, Kosaku, author
Routledge , 1992
Buku Teks SO
Burks, Ardath W., author
Boulder Westview Press 1991,
Buku Teks
Tsurumi, Kazuko, author
Princeton University Press , 1970
Buku Teks
Tokyo Bureau statistics office of the Prime Minister 1967
Buku Teks
Hasegawa, Nyozekan
Tokyo: Kodansha International, [c1965]
Buku Teks