- E/13.
- Ffeil
- 1950-1952.
Rhan oR. L. Gapper Papers
Papers, 1950-1952, relating to the Aberystwyth Eisteddfod, including correspondence with the sculptor Henry Moore concerning his role as an adjudicator.
Eisteddfod Genedlaethol Cymru (1952 : Aberystwyth).