Alister Hardy Trust: Religious Experience Research Centre  
   Interdisciplinary centre based at the University of Wales. Includes details of current and previous research projects, forthcoming events, and an MA course studying religious and spiritual experiences.
   http://www.alisterhardytrust.org.uk/

Neurology of Spiritual Experiences  
   Articles on spiritual experience and magnetic signal brain stimulation by one of Michael Persinger's students.
   http://www.innerworlds.50megs.com/

Psychology of Religious Experience  
   Transcript from the Thinking Allowed TV series of Jeffrey Mishlove interviewing Huston Smith.
   http://www.thinkingallowed.com/smith.html

The Varieties of Religious Experience  
   Full text of the celebrated book by William James, originally published in 1902.
   http://etext.lib.virginia.edu/toc/modeng/public/JamVari.html

TASTE - The Archives of Scientists' Transcendent Experiences  
   Collection of accounts of experiences. New accounts can be added online.
   http://www.issc-taste.org/