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2. Abraham, Hajnalka, Andras Vincze, Ilja Jewgenow, Bela Veszpremi, Andras Kravjak, et al., (2010) “Myelination in the human hippocampal formation from midgestation to adulthood,” Int. J. Dev. Neurosci. Aug, 28 (5), 401–410.
3. Adair, Peter, (1967) Holy Ghost People, Film, distributed by Thistle Films and available on YouTube.
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5. Aiken, John W., (1970) “The church of the Awakening,” In Aaronson, Bernard and Humphry Osmond, (eds) (1970) Psychedelics, The Uses and Implications of Hallucinogenic Drugs, Garden City, Anchor Books: 165–182.