Ilbert, Courtenay
Parliament its history, constitution and practice/ Courtenay Ilbert
Oxford University Press , 1947
 Buku Teks
Cook, Chris
A Short history of the liberal party / Chris Cook
Macmillan Press , 1989
 Buku Teks
Cook, Chris
A Short history of the liberal party / Chris Cook
Macmillan Press , 1984
 Buku Teks
Trevelyan, George Macaulay, 1876-1962
Illustrated English social history; Volume three : the eighteenth century
Longmans, Green, 1951
 Buku Teks SO
Trevelyan, George Macaulay, 1876-1962
History of England
Longmans, Green, 1945
 Buku Teks SO