Sansom, George Bailey, Sir, 1883-1965
Cresset Press, 1946
Buku Teks
edited by Momoo Yamaguchi and Setsuko Kojima
Japan Times, 1979
Buku Referensi
Richardson, Bradley M.
University of California Press, 1974
Buku Teks
Pulvers, Roger
Publishing Industry Foundation for Culture, 2015
Buku Teks
Edited by Cliff Goddard
Mounton de Grruyter, 2006
Buku Teks