D. R. I. Williams Collection of Radnorshire Deeds,
D. R. I. Williams Collection of Radnorshire Deeds,
D. R. Davies Collection of Drama Scrap Books,
D. R. Davies Collection of Drama Scrap Books,
Douglas J. Elliott Collection of Jones of Glanyrafon-ddu Papers,
Douglas J. Elliott Collection of Jones of Glanyrafon-ddu Papers,
West Glamorgan Health Authority
West Glamorgan Health Authority
Dôl y Cae (Tal-y-Llyn) Deeds,
Dôl y Cae (Tal-y-Llyn) Deeds,
Llythyrau oddi wrth D. J. Williams
Llythyrau oddi wrth D. J. Williams
Dixon Collection of Mynyddislwyn and Monmouthshire Deeds,
Dixon Collection of Mynyddislwyn and Monmouthshire Deeds,
Cofnodion Undeb Dirwestol Dyffryn Taf,
Cofnodion Undeb Dirwestol Dyffryn Taf,
Registry papers
Registry papers
Dr D. I. Evans Papers,
Dr D. I. Evans Papers,
D. Gethin Williams Collection of Deeds,
D. Gethin Williams Collection of Deeds,
Derwydd Estate Records,
Derwydd Estate Records,
D. Edmondes Owen Papers,
D. Edmondes Owen Papers,
David and David Valuation Records,
David and David Valuation Records,
David Moule-Evans Music MSS,
David Moule-Evans Music MSS,
P. V. Davies Collection of Pembrokeshire Deeds,
P. V. Davies Collection of Pembrokeshire Deeds,
Seat accounts
Seat accounts
Cefn Trefor Bach Farm Records,
Cefn Trefor Bach Farm Records,
Cynllaith Owen Manorial Records,
Cynllaith Owen Manorial Records,
Papurau Cymdeithas Telynau Cymru,
Papurau Cymdeithas Telynau Cymru,
