Ballantine Books · Random House
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A World of Ideas: The Dictionary of Important Ideas and Thinkers | 978-0-345-43706-8 (0-345-43706-3) | 2000 |
| The Dictionary Of Important Ideas And Thinkers | 978-0-09-941568-8 (0-09-941568-2) | 2002 |