In "How to Read Human Nature", written in 1913, William Walker Atkinson addresses the various aspects of Human Nature from Inner State and Outer Form to Character, Personality, and Temperaments to facial structure and much more.
In other words, "How to Read Human Nature" is a pioneering New Thought work on how to read people based on physical appearance and attributes.
William Walker Atkinson (1862–1932) was an attorney, merchant, publisher, and author, as well as an occultist and an American pioneer of the New Thought movement.