Thistlethwaite, Frank, author
Cambridge University Press, 1955
Buku Teks
Dell Publishing, 1967
Buku Teks
Cowell, F. R.
Adam and Charles Black, 1952
Buku Teks
Gilmore, Grant
Yale University Press, 1977
Buku Teks
Caldwell, Mark, author
Picador USA, 1999
Buku Teks