| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-0-9530935-0-2 | Various Contributors | Mae'r Gan yn y Galon: Quakers in Wales Today |
| 2003 | 978-0-9530935-1-9 | Agor y drws: adroddiad y Prosiect Croeso Ysbrydol = Opening the door: Spiritual Hospitality Project report | |
| 2014 | 978-0-9530935-2-6 | Anon | Towards the Source: Quakers in Wales |