Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Jones, Glyn, 1905-1995, 3 canlyniadau
- Rowlands, John, 1938-2015, 3 canlyniadau
- Bielski, Alison J., 2 canlyniadau
- Jones, Sally Roberts, 2 canlyniadau
- Humfrey, Belinda, 2 canlyniadau
- Morgan, Robert, 1921-1994, 2 canlyniadau
- Tripp, John, 1927-1986, 2 canlyniadau
- Ward, John Powell, 1937-, 2 canlyniadau
- Bidgood, Ruth, 2 canlyniadau
- Lewis, Peter Elfed, 2 canlyniadau