- NLW MS 19011E.
- Ffeil
- ?1957-1969.
Copies of the play Cariad Creulon by R. Bryn Williams, together with some letters (holograph and typescript). (Formerly R. Bryn Williams MS 78.) See also NLW MSS 18175-18246. Welsh, Spanish. Donated by R. Bryn Williams, Llanbadarn Fawr, November 1978.