Gunther, John, 1901-1970, author
Harper Brothers, 1951
Buku Teks
Buku Teks
Clyde, Paul H. (Paul Hibbert), author
Prentice-Hall, 1953
Buku Teks
Walker, Allan S., author
Australian War Memorial, 1956
Buku Teks
Latourette, Kenneth Scott, author
Macmillan, 1957
Buku Teks