Carrington, C. E.
At The University Press, 1938
Buku Teks
Saha, Junid
Oxford Univ Press, Press 1980
Buku Teks
Brown, Neville, author
Pan Books, 1970
Buku Teks
Trevelyan, George Macaulay, 1876-1962, author
Longmans, Green, 1945
Buku Teks
Director-General of guidance and Broadcasting, 1956
Buku Teks