Richardson, Bradley M.
Harper Collins, 1984
Buku Teks SO
Quigley, Harold S.
University of Minnesota Press, 1956
Buku Teks
Japan Culture Institute, [edited by Murakami Hyoe and Johannes Hirschmeier]
Japan Publications Trading , 1979
Buku Teks SO
McNelly, Theodore
Houghton Mifflin, 1972
Buku Teks SO
Scalapino, Robert A.
University of California Press, 1967
Buku Teks SO