- NLW MS 17667E.
- File
Transcript of 'Y Storm' by William Thomas ('Islwyn'), with an English translation by Frank G. Howard. Welsh, English. Between boards. Donated by Miss N. Howard, Caergwrle, April 1960.
Transcript of 'Y Storm' by William Thomas ('Islwyn'), with an English translation by Frank G. Howard. Welsh, English. Between boards. Donated by Miss N. Howard, Caergwrle, April 1960.