Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- University of Wales. Guild of Graduates, 3 canlyniadau
- University College of Wales (Aberystwyth, Wales), 2 canlyniadau
- University of Wales, 2 canlyniadau
- Eisteddfod Genedlaethol Cymru., 1 canlyniadau
- Honourable Society of Cymmrodorion (London, England), 1 canlyniadau
- Llwyd, Morgan, 1619-1659, 1 canlyniadau
- National Library of Wales, 1 canlyniadau
- Welsh Bibliographical Society, 1 canlyniadau
- Cardiganshire (Wales). County Council., 1 canlyniadau
- University College of North Wales., 1 canlyniadau