Mason, Edward S.
Fordham University Press, 1958
Buku Teks
Waterston, Albert
John Hopkins University Press, 1969
Buku Teks
Caiden, Naomi
John Wiley & Sons, 1974
Buku Teks
edited by James F. Phillips, John A. Ross
Clarendon Press, 1992
Buku Teks
edited by Alan Gilbert
John Wiley & Sons, 1978
Buku Teks