Richard Baxter, William Orme (1830). “The Practical Works of the Rev. Richard Baxter, with a Life of the Author, and a Critical Examination of His Writings”, p.8
Orison Swett Marden (2015). “ORISON SWETT MARDEN Premium Collection - Wisdom & Empowerment Series (18 Books in One Volume): Steps to Success and Power, How to Get What You Want, An Iron Will, Be Good to Yourself, Every Man A King, Keeping Fit, Prosperity – How to Attract It, Stepping-Stones To Fame And Fortune...”, p.138, e-artnow