Marshall, H.H.
Natural Justice
Sweet & Maxwell Limited, 1959
 Buku Teks
Weinreb, Lloyd L.
Natural law and justice
Harvard University Press, 1987
 Buku Teks
Hachenburger, Petra
Topics, questions, keywords : a handbook for students of German / Petra Hachenburger and Paul Jackson
Routledge, 2000
 Buku Referensi
DDR, Das Ende eines Staates/edited with an introduction and notes by Paul Jackson
Manchester Manchester University Press 1995,
 Buku Teks
Tappan, Paul W.
Crime, justice, and correction / Paul W. Tappan.
McGraw-Hill, 1960
 Buku Teks