Etter, Carl
Wilcox & Follett, 1949
Buku Teks
Richardson, Bradley M.
Harper Collins, 1984
Buku Teks
Quigley, Harold S.
University of Minnesota Press, 1956
Buku Teks
Scalapino, Robert A.
University of California Press, 1967
Buku Teks
Japan Culture Institute, [edited by Murakami Hyoe and Johannes Hirschmeier]
Japan Publications Trading , 1979
Buku Teks