1. Alister Hardy Research Centre / Gallup1985aPoll of reports of religious experience, cited in Hay, D 1994 On the biology of God The International Journal for the Psychology of Religion4(): 1–23.
2. Alister Hardy Research Centre / Gallup, 1985b, 4 in 10 Americans have had unusual spiritual experiences.
3. Gallup press release, cited in Hay, D1994On the biology of GodThe International Journal for the Psychology of Religion4(): 1–23.
4. Can feelings be enumerated?;Back;Behavioural Science,1970
5. Curriculum building in nursing;Bevis,1978