- ...that The Wordless Book (pictured) was invented by the London Baptist preacher Charles Haddon Spurgeon and employs religious symbolism and color psychology in evangelism?
- ...that the non-fiction book Cults: Faith, Healing and Coercion is cited in the definition of Cults, by the American Psychological Association's Encyclopedia of Psychology?
- ...that the DC comic book Batman: The Last Arkham drew on the influences of psychology and biology books such as "Superstition in the Common Pigeon"?
- ...that the company Leadership Dynamics was cited by psychologists as the first form of Large Group Awareness Training?