More essays in legal philosophy general assesments of legal philosophies
selected and edited by Robert S. Summers
Basil Blackwell, 1971
 Buku Teks SO
Bodenheimer, Edgar
Jurisprudence The philosophy and method of the law
Harvard University Press, 1976
 Buku Teks SO
Dentreves, A.P.
Natural law : an introduction to legal philosophy
Hutchinson`s University Library, 1951
 Buku Teks
Kelsen, Hans
Hukum dan logika = Essays in legal and moral philosophy
Alumni, 1982
 Buku Teks SO
Kelsen, Hans
Hukum dan logika = Essays in legal and moral philosophy
Alumni, 2006
 Buku Teks SO