Story, Richard, 1913-
Greenwood Press, 1976
Buku Teks
Gaimusho, 2014-
Buku Teks
Gaimushō, Heisei , 2015
Buku Teks
Emmerson, John K., author
Charles E. Tuttle Company, 1976
Buku Teks
Hellmann, Donald C., author
University of California Press, 1969
Buku Teks