Ewing, J.H., editor
The world's living religions : a searching comparison of the faiths of east and west
Dell Publishing, 1964
Buku Teks
The World's religions: Islam
edited by Peter Clarke
Routledge, 1988
Buku Teks
Who's who of world religions
editor, John R. Hinnells
Macmillan, 1993
Buku Referensi
Gar, Joseph
What the great religions believe
Dodd, Mead, 1963
Buku Teks
Gaer, Joseph
How the great religions began
Dodd, Mead, 1956
Buku Teks