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
The Cambridge cultural history of Britain; Vol. 7 : Victorian Britain
edited by Boris Ford
Cambridge University , 1992
 Buku Teks SO
The Cambridge history of China; Volume 10
general editors, Denis Twitchett and John K. Fairbank
Cambridge University Press, 1978
 Buku Teks SO
Gregg, Pauline
A social and economic history of Britain 1760-1950
George G. Harrap, 1952
 Buku Teks SO
The cambridge history of Japan; Volume 1 : ancient Japan
edited by Delmer M. Brown
Cambridge University Press, 1993
 Buku Referensi