Weale, Putnam, author
Macmillan, 1905
Buku Teks
Clyde, Paul H. (Paul Hibbert), author
Prentice-Hall, [date of publication not identified]
Buku Teks
Long, Gavin, author
Australian War Memorial, 1953
Buku Teks
Molony, Barbara, author
CO Westview Press, 2016
Buku Teks
Cleveland, William L., author
Westview Press , 2004
Buku Teks