edited by Joan Aldous
Sage, 1982
Buku Teks
Hughes, E.R.
Princeton University Press, 1960
Buku Teks
Ebenstein, William
Holt Rinehart and Winston, 1964
Buku Teks
Stone, Irving, 1903-1989
Doubleday, 1944
Buku Teks
Bergson, Henri
Doubleday Anchor Books, 1956
Buku Teks