Reader in Philosophy, University of The Panjab, 1965
Buku Teks
edited by John K. Ryan
The Catholic University of America Press, 1963
Buku Teks
Northwestern University Press, 1999
Buku Teks
edited by John Herman Randali, Justus Buchler
Barnes & Noble, 1950
Buku Teks
Chen, Liu-Fu, author
Philosophical Library, 1948
Buku Teks