Dentreves, A.P.
Natural law : an introduction to legal philosophy
Hutchinson`s University Library, 1951
 Buku Teks
A Companion to philosophy of law and legal theory
edited by Dennis M. Patterson
Blackwell, 1999
 Buku Teks SO
A companion to philosophy of law and legal theory
edited by Dennis Patterson
Blackwell, 1996
 Buku Teks SO
Cohan, Morris R.
Law and the social order essays in legal philosophy
Transactio Books, 1982
 Buku Teks
Varga, Csaba
Law and philosophy : selected papers in legal theory
Csaba Varga & Original Holders, 1994
 Buku Teks SO