Perroy, Edouard, 1901-1974
Presses Universitaires de France, 1961
Buku Teks
Simons, Gerald.
Time-Life Internationa, 1968
Buku Teks
Southern, R.W. (Richard William), 1912-2001
Cresset Librar, 1967
Buku Teks
edited by C.G. Crump and E.F. Jacob
Clarendon Press, 1951
Buku Teks
Campbell, Kenneth L., 1955-
an imprint of Bloomsbury Publishing Plc, 2015, 2015
Buku Teks