| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Collections Historical & Archaeological Relating to Montgomeryshire and Its Borders, Volume 23 | 978-1-142-05005-4 (1-142-05005-X) | 2010 |
| Collections Historical & Archaeological Relating to Montgomeryshire and Its Borders, Volume 33 | 978-1-145-74382-3 (1-145-74382-X) | 2010 |