Raz, Joseph
The authority of law : essays on law and morality
Oxford Univesity Press, 2009
 Buku Teks
Windolph, F. Lyman
Leviathan and natural law / F. Lyman Windolp
Princeton University press, 1951
 Buku Teks
Finnis, John
Natural law and natural rights
Oxford Univesity Press, 2011
 Buku Teks
Anderson, Owen J.
The natural moral law : the good after modernity
Cambridge University Press, 2012
 Buku Teks
Buckle, Stephen
Natural law and the theory of property : grotius to hume
Oxford University Press, 1991
 Buku Teks