Forrest E. Baird, editor
Prentice-Hall, 1997
Buku Teks
Madden, Edward H.
University Of Washington Press, 1968
Buku Teks
edited by John K. Ryan
The Catholic University of America Press, 1963
Buku Teks
edited by John Herman Randali, Justus Buchler
Barnes & Noble, 1950
Buku Teks
Chen, Liu-Fu, author
Philosophical Library, 1948
Buku Teks