Original Reiki Handbook of Dr. Mikao Usui, Usui and Petter, Lotus Press, Twin Lakes, Wisconsin ISBN 0-914955-57-8
Hayashi Reiki Manual: Traditional Japanese Healing Techniques from the Founder of the Western Reiki System, Petter, Yamaguchi and Hayashi, Lotus Press, Twin Lakes, Wisconsin ISBN 0-914955-75-6
Reiki Healer: A Complete Guide to the Path and Practice of Reiki, Ellyard, Lotus Press, Twin Lakes, Wisconsin ISBN 0-940985-64-0
Human Hemoglobin Levels and Reiki (Journal of Holistic Nursing, 7(1)pp.47-54 1989)