Murdoch, James
A history of Japan
Routledge and Kegan Paul, 1949
 Buku Teks SO
Maraini, Fosco
Japan patterna of continuity
Kodansha International, 1976
 Buku Teks SO
Richard Susilo
Yakuza Indonesia
Kompas, 2013
 Buku Teks
Bryan, J. Ingram
The literature of Japan
Thornton Butterworth, 1929
 Koleksi Publik
Sansom, George Bailey, Sir, 1883-1965
A history of Japan
Charles E. Tuttle, 1987
 Buku Teks SO