Principles of Aromatherapy
Cathy Hopkins
Principles of Buddhism
Kulananda
Principles of Chinese Medicine
Angela Hicks
Principles of Colonic Irrigation
Jillie Collings
Principles of the Enneagram
Karen Webb
Principles of Hypnotherapy
Vera Peiffer
Principles of NLP
Joseph O’Connor and Ian McDermott
Principles of Nutritional Therapy
Linda Lazarides
Principles of Paganism
Vivianne Crowley
Principles of Reflexology
Nicola Hall
Principles of Self-Healing
David Lawson
Principles of Stress Management
Vera Peiffer
Principles of Tarot
Evelyn and Terry Donaldson