| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Caneuon y Tri Aderyn / Songs of the Three Birds: Solo Song for Soprano or Tenor with Piano Accompaniment | 978-O-9OO426-69-8 (O-9OO426-69-1) | 2002 | Dilys Elwyn-Edwards |
R. P. · R. Parry · R. Williams · W.P. · Williams P.