Tillotson BA., John
Cavendish Publishing Limited, 1996
Buku Teks
Oxford University Press, 1993
Buku Teks
edited by Ernest B. Harper and Arthur Dunham
Associate Press, 1963
Buku Teks
Vagts, Detlev F.
The Foundation Press, INC, 1973
Buku Teks
Dignan, Mark B.
Lea & Febiger, 1981
Buku Teks