Area handbook for the Philipines
The American University, 1976
 Buku Teks
Braginsky, Vladimir I.
The system of classical Malay literature
KITLV, 1993
 Buku Teks
Fisher, Howard D.
The German legal system and legal language
Cavendish Publishing Limited, 1999
 Buku Teks
Joseph, Raz
The concept of a legal system an introduction to the theory of legal system
Oxford Clarendon Press, 1970
 Buku Teks
Plucknett, Theodore Frank Thomas
Early english legal literature / by T.F.T. Plucknett /
At The University Press, 1958
 Buku Teks