Willcox, William B.
The age of aristocracy 1688 to 1830
D.C. Heath and Company, 1988
 Buku Referensi
Willcocx, William B.
The age of aristocracy, 1688 to 1830 / William B. Willcox, Walter L. Arnstein
D.C. Health and Company, 1988
 Buku Teks
Simpson, W.O.
Changing Horizons : British 1914-80
Stanley Thornes, 1986
 Buku Teks
Contemporary British theatre
edited by Theodore Shank
Macmillan, 1994
 Buku Teks SO
Watkins, Alan
A conservative coup : the fall of margaret thatcher / Alan Watkins
Duckworth, 1991
 Buku Teks