* Essay om natur og kunnskap (1981)
* Fra myte til religion (1983)
* Towards a Sacred Cosmos (1986)
* Kunnskapen om Gud ifølge Mester Eckhart (1988)
* Filosofi og åndelig erfaring (1990)
* Philosophical Mysticism (1992)
* The Voice of Being (1994)
*The Book of Divine Knowledge (1996)
* Den enes visdom (1998)
* The Mystery of Being (2000)
* The Quest for Meaning (2002)
* The God Within (2004)
* Cosmic Consciousness (2006)
* Indre fred (2008)
* The Joy of Living (2010)
* Universell kjærlighet (2012)
* Åndelig frihet (2014)
* The Awakening of the Soul (2016)
Artikler og essays:
* "Guds natur og kunnskap ifølge Meister Eckhart" (1987)
* "The Sacred Cosmos:A Philosophical Reflection" (1989)
* "Den mystiske filosofien til Jean-Paul Besse" (1991)
* "The Voice of Being:A Philosophical Inquiry" (1993)
* "The Book of Divine Knowledge:A Philosophical Commentary" (1995)
* "The Wisdom of the One:A Philosophical Inquiry" (1997)
* "The Mystery of Being:A Philosophical Reflection" (1999)
* "The Search for Meaning:A Philosophical Inquiry" (2001)
* "Den indre Gud:En filosofisk undersøkelse" (2003)
* "The Cosmic Consciousness:A Philosophical Reflection" (2005)
* "Indre fred:A Philosophical Inquiry" (2007)
* «The Joy of Living:A Philosophical Inquiry» (2009)
* "Universal Love:A Philosophical Inquiry" (2011)
* "Åndelig frihet:En filosofisk undersøkelse" (2013)
* "The Awakening of the Soul:A Philosophical Inquiry" (2015)
* «The Quest for Meaning:A Philosophical Investigation» (2017)