- PG/2.
- file
- 1947-1951, 1977.
Part of Papurau D. Tecwyn Lloyd,
Papurau’n ymwneud â’r gymdeithas hon, 1947-1951, gan gynnwys llythyrau, 1949-1950, y mwyafrif ohonynt at yr ysgrifennydd Gethin Pugh, Coleg Harlech, cofnodion, 1951 a rhaglen recordio ar gyfer 1948.
Welsh Recorded Music Society.