- What to Do, and Why, and How to Educate Each Man for His Proper Work
- What to Do, and Why: And How to Educate Each Man for His Proper Work: Describing Seventy-Five Trades and Professions, and the Talents and Temperaments ... of Many Eminent Thinkers and Workers
- What Is Phrenology?: With Addresses Delivered Before the American Institute of Phrenology, 1892 - Primary Source Edition
- How To Study Strangers By Temperament, Face And Head: A Sequel To Heads And Faces
- The Poet Soldier