Books about Psychology, Applied

Applied Psychology: Driving Power of Thought

Power of Mental Imagery

Increasing Human Efficiency in Business

The Trained Memory

Psychology and Achievement

Applied Psychology: Making Your Own World

The Beautiful: An Introduction to Psychological Aesthetics

Initiative Psychic Energy

Increasing Personal Efficiency

Komik und Humor: Eine Psychologische-Ästhetische Untersuchung (German)

The Silence: What It Is and How To Use It

Der Streit über die Tragödie (German)