| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| The Official Blackbook Price Guide to U.S. Coins, 42nd edition | 978-1-4000-4805-2 | 2003 | Thomas E. Hudgeons Jr. |
| The Official Blackbook Price Guide to U.S. Postage Stamps, 26th edition | 978-1-4000-4807-6 | 2003 | " |
| The Official Blackbook Price Guide to World Coins, 7th edition | 978-1-4000-4808-3 | 2003 | " |
| The Official Blackbook Price Guide to World Coins 2005 | 978-1-4000-4841-0 | 2004 | |