Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Clarke, Gillian, 1937-, 4 canlyniadau
- Jones, Jonah, 2 canlyniadau
- Mathias, Roland, 2 canlyniadau
- Garlick, Raymond, 2 canlyniadau
- Bielski, Alison J., 1 canlyniadau
- Humphreys, Emyr, 1 canlyniadau
- Jones, Glyn, 1905-1995, 1 canlyniadau
- Stephens, Meic, 1 canlyniadau
- Jones, Sally Roberts, 1 canlyniadau
- George, W. R. P. (William Richard Philip), 1 canlyniadau