[de] [Gutenberg 8298] • Komik und Humor: Eine Psychologische-Ästhetische Untersuchung Outlook Verlag
[en] Color Codes · Modern Theories of Color in Philosophy, Painting and Architecture, Literature, Music and Psychology University Press of New England
[en] Boys and Their Toys · Understanding Men by Understanding Their Relationship With Gadgets AMACOM/American Management Association
[en] The Dream of the Moving Statue Penn State University Press
[en] Understanding the 5 Human Types Big Nest
[en] Just F_ck Me!
[en] Was That Really Me? · How Everyday Stress Brings Out Our Hidden Personality Nicholas Brealey