| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Roman Base Metal Coins: A Price Guide: Roman Base Metal Pt. 1 | 978-0-948964-46-6 (0-948964-46-4) | 2005 |
| Roman Base Metal Coins: Roman Base Metal Pt. 1: A Price Guide | 978-0-948964-48-0 (0-948964-48-0) | 2009 |
| Roman Silver Coins: A Price Guide: Roman Silver Pt. 2 | 978-0-948964-55-8 (0-948964-55-3) | 2005 |
J. P. · J. Plant · R.J. · R. P. · Richard J. · Richard P. · Richard Plant