Masters, Donald C., author
D. Van Nostrand, 1958
Buku Teks
Morton, Desmond, author
Hurtiga, [s.a.]
Buku Teks
Dukes, Paul, author
Routledge, 2000
Buku Teks
Rawlinson, H.G., author
Cresset Press, 1952
Buku Teks
Bryson, Bill, author
Broadway Books, 2004
Buku Teks