Dirks, Jerald F.
Abrahamic faiths : titik temu dan titik seteru antara Islam, Kristen, dan Yahudi
Serambi Ilmu Semesta, 2004
 Buku Teks SO
Ewing, J.H.
The world's living religions : a searching comparison of the faiths of east and west
Dell Publishing, 1964
 Buku Teks SO
The concise encyclopedia of living faiths
Hutchinson, 1959
 Buku Referensi
Thiroux, Jacques P.
Philosophy theory and practice / Jacques P. Thiroux.
MacMillan Publishing Company, 1985
 Buku Teks SO
Su, Heung-Ryeol
Jayeonjueui = 자연주의
Ihwayeojadehagyo Chulphan bu, 2006
 Buku Teks