Gutteridge, Harold Cooke, author
Jackson, Son & Company, 1951
Buku Teks
Cheshire, G. C.
At The Clarendon Press, 1952
Buku Teks
Morris, J.H.C.
At The Clarendon Press, 1960
Buku Teks
Wolf, Martin, author
The Clarendon Press, 1950
Buku Teks
North, Peter
Claredon Press, 1993
Buku Teks