Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Trinity College (Carmarthen, Wales), 2 canlyniadau
- University College of Wales (Aberystwyth, Wales), 1 canlyniadau
- Thomas, R. S. (Ronald Stuart), 1913-2000, 1 canlyniadau
- University College of Wales (Cardiff, Wales), 1 canlyniadau
- Jenkins, Nigel, 1949-2014, 1 canlyniadau
- Dressel, Jon, 1934-, 1 canlyniadau
- Mathias, Roland., 1 canlyniadau
- Garlick, Raymond -- Diaries, 1 canlyniadau
- Garlick, Iestyn, 1 canlyniadau
- Garlick, Angharad., 1 canlyniadau