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
Philosophical Library, 1948
Buku Teks
Ayer, Alfred Jules, 1910-1989
Macmillan, 1963
Buku Teks