El Hombre Mediocre: Ensayo de psicologia y moral

Thoughts on Man, His Nature, Productions and Discoveries Interspersed with Some Particulars Respecting the Author

The Foundations of Personality

On the Relations of Man to the Lower Animals

The Works of Aristotle the Famous Philosopher Containing his Complete Masterpiece and Family Physician; his Experienced Midwife, his Book of Problems and his Remarks on Physiognomy

What All The World's A-Seeking The Vital Law of True Life, True Greatness Power and Happiness

Heart and Soul by Maveric Post

Manhood of Humanity.

Human Life

Human, All-Too-Human: A Book for Free Spirits, Part 1 Complete Works, Volume Six

The Kingdom of Man

The Stuff of Manhood: Some Needed Notes in American Character