The Art Of War
Sun Tzu
Understanding the 5 Human Types
Elsie Benedict & Ralph Benedict
The Book of Business Etiquette
Nella Braddy Henney
Applied Psychology
Warren Hilton
Golden Rules for Making Money
P. T. Barnum
Other People's Money, and How the Bankers Use It
Louis Dembitz
One Thousand Ways to Make Money
Page Fox
Business Hints
A. R. Calhoun
How to Invest Money
George Garr Henry
The Humbugs of the World
P. T. Barnum