| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Political Economy of Basic Income | 978-O-12-56787O-4 (O-12-56787O-3) | 1998 |
Catharine Dallas Purdy · Catherine Dallas Purdy · D. P. · Daniel Leonhard Purdy · Daniel Purdy · David C. Purdy · Dennis Purdy · Derek Purdy · Don Purdy · Dwight H. Purdy · John David Purdy