Pearson, Hesketh, author
Heinemann, 1960
Buku Teks
Forster, John, author
Cambridge University Press, 2011
Buku Teks
Johnson, Edgar, author
Simon and Schuster, 1952
Buku Teks
Bradford, Barbara Taylor, author
Grafton, 1990
Buku Teks
Hamilton, Alexander, author
New York The Liberal Arts Press 1957
Buku Teks