| title | ISBN-13 | year of publication |
|---|---|---|
| How to be a Successful Leader | 978-0-07-066105-9 | 1953 |
| Over 50: The definitive guide to retirement | 978-0-8019-6714-6 | 1979 |
| Techniques of Leadership | 978-0-07-066104-2 | 1964 |
| The Turned-On Executive: Building Your Skills for the Management Revolution | 978-0-07-066112-7 | 1970 |