Wood, Anthony, 1923-, author
Longman, 1983
Buku Teks
Fisher, H.A.L.
Edward Arnold & Co., 1946
Buku Teks
Fisher, H.A.L.
Eyre and Spottiswoode , 1935
Buku Teks
Taylor, A.J.P. (Alan John Percivale), 1906-1990, author
Penguin Books in association with Hamish Hamilton, 1967
Buku Teks
compiled by Jonathan French Scott and Alexander Baltzly
F.S. Crofts & Co., 1930
Buku Teks