2016

Existence and the Intelligence of the Cosmos


2014

Reflections on the Mystery of Death and Rebirth in LSD Psychotherapy



2006

Reincarnation and the Akashic Field



2004

Sacred Medicine - Conintuing the Dialogue



2003

Is the Sacred Medicine Path a Legitimate Spiritual Path?


2000

The Epistemic Warrant of Psychedelic Experience



2001

On the Emergence of Perinatal Symptoms in Buddhist Meditation


1996

Expanding Grof's Concept of the Perinatal



1994

A Perinatal Interpretation of Near-Death Experiences



1991

Mysticism and Psychedelics - The Case of the Dark Night



1985

A Reappraisal Of Teresa Of Avila's Supposed Hysteria