The Higher Powers of Mind and Spirit

The Power of Concentration

Lessons in Life, for All Who Will Read Them

Applied Psychology: Driving Power of Thought / Being the Third in a Series of Twelve Volumes on the / Applications of Psychology to the Problems of Personal and / Business Efficiency

The Psychology of Management / The Function of the Mind in Determining, Teaching and Installing Methods of Least Waste

Power of Mental Imagery / Being the Fifth of a Series of Twelve Volumes on the / Applications of Psychology to the Problems of Personal and / Business Efficiency