- NLW MS 17193C.
- Ffeil
- 1937.
Letters received by Mrs Peter Hughes Griffiths on the death of her husband the Reverend Peter Hughes Griffiths - correspondents H-P. Welsh, English. 1/2 morocco. Donated by T. I. Ellis, Aberystwyth, as executor of the late Mrs Peter Hughes Griffiths, August 1959.