2 links
The Adventure of Self Discovery / Stanislav Grof, M. D.
sunypress.edu
Dimensions of Consciousness and New Perspectives in Psychotherapy and Inner Exploration. Book review at State University of New York Press.
Transforming the Mind
trans4mind.com
A manual that aims to describe the process of human conditioning and how to recover from this imposition. Freely downloadable in HTML and PDF formats.