| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Encouragement Book | 978-0-13-274647-2 (0-13-274647-6) | 1980 | Donald, Jr. Dinkmeyer |
| The Motivating Team Leader | 978-1-932021-05-9 (1-932021-05-1) | 2010 | |
| You Can Do it!: How to Encourage Yourself | 978-0-13-976605-3 (0-13-976605-7) | 1980 | |
D. Lewis · Dr. L L · Dr. Lewis Losoncy · E. L. · L. E. · L. E. L. · Lewis E. Losoncy · Lewis Losoncy