Holistic is an adjective...not a noun by Suzan Walter, M.B.A. (1996)
Introduction to Holistic Medicine chapter from HealthInform's Resource Guide to Alternative Health. by Suzan Walter, M.B.A. (1997)
Principles of Holistic Medicine by American Holistic Medical Association
Wholistic Integrative Care by Daniel J. Benor, M.D. (2012)