Readings in Japanese history Part 2: Annotations / edited and compiled by Joseph K. Yamagiwa; Bibliographical introduction by John W. Hall
University of Michigan Press, 1970
 Buku Teks
Frellesvig, Bjark
A history of the Japanese language
Cambridge University Press, 2010
 Buku Teks
Nanzan studies on Japanese language and culture
Nagoya, Japan : Department of Japanese Studies Nanzan University
 Majalah, Jurnal, Buletin
International Research Center for Japanese Studies
International Research Center,
 Majalah, Jurnal, Buletin
Case studies in American government Inter-University case Program edited by and
New Jersey Prentice-Hall 1965
 Buku Teks