Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Eisteddfod Genedlaethol Cymru., 2 canlyniadau
- University of Wales., 2 canlyniadau
- University of Wales. Board of Celtic Studies., 2 canlyniadau
- Church in Wales., 1 canlyniadau
- National Museum of Wales., 1 canlyniadau
- National Library of Wales., 1 canlyniadau
- Jesus College (University of Oxford), 1 canlyniadau
- Honourable Society of Cymmrodorion (London, England), 1 canlyniadau
- National Museum of Wales -- Records and correspondence, 1 canlyniadau
- Ancient Monuments Board for Wales, 1 canlyniadau
- Pob un
- Art festivals -- Wales, 1 canlyniadau
- Scholars -- Wales -- Archives., 1 canlyniadau
- Welsh poetry -- To 1550, 1 canlyniadau
- Education -- Wales., 1 canlyniadau
- Quarries and quarrying -- Wales -- Ffestiniog., 1 canlyniadau
- Welsh literature -- To 1550, 1 canlyniadau
- Scholars -- Oxford -- Archives., 1 canlyniadau
- College teachers -- England -- Oxford -- Archives., 1 canlyniadau