Ffeiliau Cyffredinol, Add to clipboard 32-4. Series 1959-1967. Part of Papurau Plaid Cymru: Rhanbarth Ceredigion,
Llyfrau cofnodion Pwyllgor Rhanbarth Ceredigion, Add to clipboard 30-1. Series 1949-1968. Part of Papurau Plaid Cymru: Rhanbarth Ceredigion,
Etholiadau, Add to clipboard 35-8. Series [1959]-[1970]. Part of Papurau Plaid Cymru: Rhanbarth Ceredigion,