Urdd Gobaith Cymru: Llythyrau,
Some fifty letters, 1933-1948, from Ifan ab Owen Edwards and R. E. Griffith to the architect D. T. Jones, Aberystwyth, relating to work carried out by the latter for Cwmni Urdd Gobaith Cymru (The Welsh League of Youth, Inc.), including letters concerning the Welsh school at Lluest, Aberystwyth.
Ifan ab Owen Edwards and R. E. Griffith.
Papurau Cymdeithas Cyfeillion Ysgol Gyfun Penweddig,
Papurau Cymdeithas Cyfeillion Ysgol Gyfun Penweddig yn cynnwys llyfrau cofnodion,1973-1994; gohebiaeth,1973-1989; cylchlythyrau,1973-1988; a holiadur yn ymweud â dyfodol y Gymdeithas, [1984] = Papers of Cymdeithas Cyfeillion Ysgol Gyfun Penweddig consisting of minute books, 1973-1994; correspondence, 1973-1989; circulars, 1973-1988; and a questionnaire concerning the future of the Association, [1984].
Cymdeithas Cyfeillion Ysgol Gyfun Penweddig.