- Ychwanegwyd at Archifau Plaid Cymru
- Sub-fonds
Further papers, c 1930s-1997, of Plaid Cymru, including correspondence and minutes of meetings; papers relating to the Party's conferences and summer schools; local and general elections; the Youth Movement and the Women's Section; files relating to a wide range of subjects of Welsh, national and international interest; together with Plaid Cymru publications, printed material and newspaper cuttings
Papurau ychwanegol Plaid Cymru, c 1930au-1997, gan gynnwys gohebiaeth a chofnodion cyfarfodydd; papurau'n ymwneud â chynadleddau ac ysgolion haf y Blaid; etholiadau lleol a chyffredinol; y Mudiad Ieuenctid a'r Adran Menywod; ffeiliau yn ymwneud â materion Cymreig, cenedlaethol a rhyngwladol; ynghyd â chyhoeddiadau Plaid Cymru, deunydd printiedig a thorion o'r wasg