The Cambridge history of the English language : volume V, English in britain and overseas : origins and development
edited by Robert Burchfield
Cambridge University Press, 1994
 Buku Referensi
Gregg, Pauline
A social and economic history of Britain 1760-1950
George G. Harrap, 1952
 Buku Teks
The Cambridge world history. Volume 4, AD 1804-2016
Cambridge University Press, 2017
 Buku Teks
The cambridge history of Japan; Volume 1 : ancient Japan
edited by Delmer M. Brown
Cambridge University Press, 1993
 Buku Referensi
The cambridge history of Japan; Volume 6 : the twentieth century
edited by Peter Duus
Cambridge University Press, 1995
 Buku Referensi