| Short Name: | R. J. Derfel |
| Full Name: | Derfel, R. J. |
| Texts by R. J. Derfel (3) | As | Authority Languages | Instances |
|---|---|---|---|
| Dragwyddol, Hollalluog Iôr (Eternal God of heav'n and earth) | R. J. D. (Author) | English, Welsh | 1 |
| Llafara Iôr, nes clywo pawb | R. J. Derfel (Author) | Welsh | 1 |
| O'r golud anchwiliadwy sydd | R. J. Derfel (Author) | Welsh | 1 |