Snooks, Graeme Donald
Routledge, 1998
Buku Teks
Toynbee, Arnold J., author
Oxford University Press, 1955
Buku Teks
Buku Teks
Sansom, George Bailey, Sir, 1883-1965, author
Stanford University Press, 1958
Buku Teks
Office of the Secretary of State for Information and Tourism, [date of publication not identified]
Buku Teks