" Life Lessons of Wisdom & Motivation - Volume III: Insightful, Enlightened and Inspirational quotations and proverbs" by M.I. Seka, Providential Press, (p. 67), February 28, 2014.
Wallace D. Wattles (2015). “The Science of Wallace D. Wattles: The Science of Being Well, The Science of Getting Rich & The Science of Being Great – Complete Trilogy: From one of the New Thought pioneers, author of How to Promote Yourself, New Science of Living and Healing, Hellfire Harrison, A New Christ, How to Get What You Want and Jesus The Man and His Work”, p.28, e-artnow