edited by Robert Fitzgerald
F. Cass, 1995
Buku Teks SO
Clyde, Paul Hibbert
Prentice-Hall, 1953
Buku Teks
Walker, Allan S.
Australian War Memorial, 1956
Buku Teks SO
Mertz, Henriette
Ballantine Books, 1972
Buku Teks SO
Wightman, David
New Haven , Yale University Press
Buku Teks SO