Langdon, Frank
Little, Brown and Company, 1967
Buku Teks SO
Quigley, Harold S.
University of Minnesota Press, 1956
Buku Teks SO
Scalapino, Robert A.
University of California Press, 1967
Buku Teks SO
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