Gwasg Dwyfor · National Museums and Galleries of Wales
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Llyfr Rhedyn ei Daid: Portread o Evan Roberts, Capel Curig, Llysieuwr | 978-1-870394-00-0 (1-870394-00-3) | 1987 | Llyr D Gruffydd |
| Welsh Folk Tales/Chwedlau Gwerin Cymru | 978-0-7200-0326-0 (0-7200-0326-1) | 1996 | |