Childs, David
Britain since 1945 : a political history / David Childs
Methuen, 1979
Buku Teks
Britain since 1945 / edited, Terry Gourvish
Macmillan Education, 1991
Buku Teks
Moodie, Graeme C.
The Government of Great Britain
Crowell, 1971
Buku Teks
Emden, Cecil S.
The people and the constitution : being a history of the development of the people influence in British Government / Cecil S. Emden
At The Clarendon Press, 1956
Buku Teks
Keir, David Lindsay
The Constitutional history of modern Britain since 1485
Adam and Charles Black, 1961
Buku Teks