Baruss, Imants
Authentic knowing: the convergence of science and spiritual aspiration
Purdue Univ.Press , 1996
 Buku Teks SO
Collins, John Edward
Mysticism and new paradigm psychology
Rowman & Littlefield, 1991
 Buku Teks SO
The study of religion, traditional and new religions
edited by Peter Clarke and Stewart Sutherland
Routledge, 1991
 Buku Teks SO
Wojciechowski, Jerzy A.
Ecology of knowledge
Council for research in values and philosophy, [Date of publication not identified]
 Buku Teks SO
Ilmu dalam perspektif: sebuah kumpulan karangan tentang hakekat ilmu
penerjemah, Jujun S. Suriasumantri
Yayasan Obor Indonesia, 2001
 Buku Teks