| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Early Poppers: People Who 'Get It' and 'Make the Most of It!' | 978-1-223-00839-4 | 2010 | |
| Encouragement Book | 978-0-13-274647-2 | 1980 | Donald Dinkmeyer |
| The Encouragement Book: Becoming a Positive Person | 978-0-671-76279-7 | 1992 | Don Dinkmeyer |
| The Encouragement Book: Becoming a Positive Person | 978-0-13-275868-0 | 1991 | Don C., Sr. Dinkmeyer |
| The Motivating Leader | 978-0-13-603838-2 | 1985 | |
| The motivating leader | 978-0-13-603846-7 | 1985 | |
| You Can Do It!: How to Encourage Yourself | 978-0-13-976597-1 | 1980 | |
Dr. Lewis E. Losoncy · E. L. · L. E. · L. E. L. · Lewis Losoncy
Prentice Hall · Simon & Schuster · Various small imprints