Reading
- D. B. Ardell: “John Travis: Doctor of Wellness” in The holistic Health Handbook, (ed.) Berkeley Holistic Health Centre, U.S.A.: And/Or Press.
- British Association for Counselling, “A Definition of Counselling”, Rugby, 1979 (pamphlet).
- D. J. Levinson: “The Seasons of a Man's Life”, New York: Knopf, 1978.
- A. G. Watts (Ed.) “Counselling at Work”, National Council for Social Service, London, 1977.