Thomson, Ian, author
John Murray, 1957, 1960
Buku Teks
Hammond, John Lawrence, 1872-1949, author
Methuen, 1952
Buku Teks
Hsu, Immanuel C.Y.
Oxford University Press, 1970
Buku Teks
Dallin, David J., author
Yale University Press, 1949
Buku Teks
Duus, Peter, editor
Houghton Mifflin, 1976
Buku Teks