Huntington, Samuel P., author
The Belknap Press, 1981
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
Ayer, A. J. (Alfred Jules), 1910-1989, author
Macmillan, 1963
Buku Teks