Richardson, Bradley M., author
University of California Press, 1974
Buku Teks
Sansom, George Bailey, Sir, 1883-1965, author
Cresset Press, 1946
Buku Teks
edited by Momoo Yamaguchi and Setsuko Kojima
Japan Times, 1979
Buku Referensi
Pulvers, Roger, author
Publishing Industry Foundation for Culture, 2015
Buku Teks
Stanford University Press, 1988
Buku Teks