| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Owain Glyn Dwr: The Last Prince of Wales | 978-1-84771-363-6 (1-84771-363-7) | 2013 |
| Presenting Wales from a to Y - The People, the Places, the Traditions: An Alphabetical Guide to a Nation's Heritage | 978-1-55395-482-8 (1-55395-482-3) | 2003 |
| The Sacred Places of Wales: A Modern Pilgrimage | 978-0-7596-0785-9 (0-7596-0785-0) | 2001 |
N. Williams · P W. · P. Williams · Peter W. · Peter Williams
1st Book Library · Trafford on Demand Pub · Y Lolfa