Academic Press, 1973
Buku Teks
Romains, Jules
Paris Ernest Flammarion c1946
Buku Teks
Reiss, Albert J.
Yale University Press, 1971
Buku Teks
Guerard, Albert J.
Harvard University Press, 1949
Buku Teks
Rutledge, Albert J.
John Wiley & Sons, 1985
Buku Teks