A Mail Course in Suggestive Therapeutics and Hypnotism 1898 Parkyn's 1898 blueprint for his network, A Mail Course in Suggestive Therapeutics and Hypnotism. View Document →
Auto-Suggestion: What It Is and How to Use It for Health, Happiness and Success 1905 Parkyn's 1905 book on Auto-Suggestion View Document →
Thought-Force in Business and Everyday Life: A Series of Lessons in Personal Magnetism, Psychic Influence, Thought-Force, Concentration, Will-Power, and Practical Mental Science 2026 Thought-Force in Business and Everyday Life follows Parkyn's Teachings View Document →