- Ychwanegwyd at Archifau Plaid Cymru
- Sub-fonds
Further papers, 1973-96, of the Plaid Cymru Parliamentary Group including correspondence, minutes, press releases, and files relating to subjects of Welsh, national and international interest
Papurau ychwanegol Grŵp Seneddol Plaid Cymru, 1973-96, gan gynnwys gohebiaeth, cofnodion, datganiadau i'r wasg, a ffeiliau'n ymwneud â materion Cymreig, cenedlaethol a rhyngwladol