Reese, Trevor R.
F.W. Cheshire, 1964
Buku Teks
Kuper, Leo
Vale University Press , 1982
Buku Teks
Edited by Dagobert D. Runes
Philosophical Library, 1947
Buku Teks
Deutsch, Kenneth L., author
Thomson, 2009
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks