Modden, David
Wright Morris,
New York, Twayne, 1964
 Buku Teks
Huber, Carlo
Speaking of god
The Council for Research Values and Philosophy , 2001
 Buku Teks
Musavi Lari, Mujtaba
Knowing God
Foundation of Islamic Cultural Propagation in The World, 1993
 Buku Teks
White, David Manning
The search for god
Macmillan, 1983
 Buku Teks
Siegel, James T., 1937-
The Rope of God
University of California Press, 1969
 Buku Teks