Carpenter, Jim, Why Parapsychology Now?    pdfdownload pdf

Jeffrey Mishlove, The Roots of Consciousness   visit website

Radin, Dean, The Conscious Universe, Look at Psychic Ability  visit website
New York: Delacourte, 2001

Tart, Charles T., Consciousness: A Psychological, Transpersonal and Parapsychological Approach
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Utts, Jessica & Brian D. Josephson, The Paranormal: The Evidence and Its Implications for Consciousness    visit website