| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Why Businessmen Need Philosophy | 978-0-9625336-2-4 (0-9625336-2-9) | 1999 | Ayn Rand · Leonard Peikoff |
| Why Businessmen Need Philosophy: The Capitalist's Guide to the Ideas Behind Ayn Rand's Atlas Shrugged | 978-0-451-23269-4 (0-451-23269-0) | 2011 | Debi Ghate · John Allison |
E -R · R. E. · R.R. · Richard E. · Richard E. Ralston (Editor) · Richard R