Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Valentine, Lewis, 1 canlyniadau
- Davies, E. Tegla (Edward Tegla), 1880-1967, 1 canlyniadau
- Stephens, J. Oliver (John Oliver), 1880-1957, 1 canlyniadau
- Jones, John Charles, 1904-1956, 1 canlyniadau
- Davies, Alan Talfan, 1 canlyniadau
- Davies, J. P. (Joseph Pritchard), of Porthmadog, fl.1940., 1 canlyniadau