Fragmentos presocráticos: De Tales a Demócrito
SOME WORKS
- de Turkey and de Law
- My Favorite Quotations
- Norman Vincent Peale: Three Complete Books: The Power of Positive Thinking; The Positive Principle Today; Enthusiasm Makes the Difference
- Thought Conditioners
- You Can If You Think You Can
- The Amazing Results of Positive Thinking
- Positive Imaging: The Powerful Way to Change Your Life
- Positive Living Day by Day