Winthrop Publishers, Inc., 1972
Buku Teks
Duke University Press, 1970
Buku Teks
Kitzinger, Uwe W., author
Frederick A. Praeger, 1963
Buku Teks
Emden, Cecil S.
At The Clarendon Press, 1956
Buku Teks
Burns, Danny, 1964-, author
Macmillan, 1994
Buku Teks