National Inventory of Documentary Sources in the UK and Ireland (NIDS), units 99-100: Anglesey Record Office (0.130.035-158); West Yorkshire Archive Service: Bradford (0.131.040-091); Cheshire Record Office (0.121.001-085); Oxfordshire Archives (0.128.001-092)
Council of Welsh Districts Papers
A final group of correspondence, papers and financial records, c 1983-96, of the Council of Welsh Districts (see Annual Report 1989-90, p 65, 1991-92, p 61, 1992-93, p 59, 1994-95, p 63, and 1995-96, p 64)
Urdd Gobaith Cymru. Ffeiliau'r Swyddfa Ganolog
Additional files relating to the National Eisteddfodau of Urdd Gobaith Cymru (The Welsh League of Youth)
Papurau ychwanegol yn ymwneud â threfniadaeth Eisteddfodau Genedlaethol Urdd Gobaith Cymru
National Inventory of Documentary Sources in the UK and Ireland (NIDS), units 97-8: Kingston Upon Hull Record Office (0.029.156-246); Modern Records Centre, University of Warwick (0.033.181-2); British Antartic Survey (0.122.023-065); Anglesey Record Office (0.130.001-034); University of Plymouth (0.135.001); West Yorkshire AS: Bradford (0.131.001-039); Index to units 97-8
Cofysgrifau ychwanegol Eglwys y Tabernacl (A), King's Cross, Llundain
Additional printed material consisting of some eighteen items, 1891-1984, relating to the Tabernacl Welsh Congregationalist Church, King's Cross, London (see Annual Report 1968-69, p 51 and 1969-70, p 35); together with nine printed items, 1899-1970, concerning the activities of the London Welsh Congregationalists
Deunydd printiedig ychwanegol (oddeutu deunaw o eitemau, 1891-1984) yn ymwneud ag Eglwys Annibynnol y Tabernacl, King's Cross, Llundain (gweler Adroddiad Blynyddol 1968-69, t 51 a 1969-70, t 35); ynghyd â naw o eitemau, 1899-1970, yn ymwneud â gweithgareddau Annibynwyr Cymry Llundain
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
Mrs Edward Davies, Plas Dinam, Bills
Bills, 1921-3, of Mrs Edward Davies, Plas Dinam, Llandinam, Montgomeryshire
Development Board For Rural Wales Papers
Additional records of the Development Board For Rural Wales, c 1969-94, including committee minutes, general and marketing files, and press releases
Papurau ychwanegol y Parchedig W J Griffiths yn cynnwys deunydd yn ymwneud â'r Parchedig Cornelius Griffiths (1829-1905), pregethau'r Parchedig W J Henderson, 1883-7, a phapurau'n ymwneud â'r Parchedig David Rees (1804-85)