Gomer Press · University of Wales Press
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Legend of Merlin | 978-0-900768-68-2 | 1960 | |
| Llyfr Du Caerfyrddin | 978-0-7083-0629-1 | 1991 | |
| The Arthur of the Welsh: Arthurian Legend in Mediaeval Welsh Literature | 978-0-7083-1307-7 | 1995 | Rachel Bromwich · Brynley F. Roberts |
| The Cynfeirdd: Early Welsh Poets and Poetry | 978-0-7083-0813-4 | 1981 | |
| Welsh Classics Series, The:3. Aneirin - Y Gododdin | 978-0-86383-354-0 | 2005 | |