Gildea, Robert
Oxford University Press , 1988
Buku Teks
Taylor, Edmond
Doubleday & Company, 1963
Buku Teks
Oxford University Press , 1996
Buku Teks
Albrecht-Carrie, Rene, author
Littlefield, Adam & Co., 1959
Buku Teks
Taylor, Alan John Percivale, 1906-1990, author
Penguin Books in association with Hamish Hamilton, 1967
Buku Teks