Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Newton, Lily,, 4 canlyniadau
- Charles, Prince of Wales, 1948-, 2 canlyniadau
- Thomas, Ben Bowen, 1899-1977, 2 canlyniadau
- Daniel, Goronwy H. (Goronwy Hopcyn), 1914-2003, 2 canlyniadau
- Williams, Shirley, b. 1930, 2 canlyniadau
- University College of Wales (Aberystwyth, Wales), 1 canlyniadau
- Foster, Idris, 1911-1984, 1 canlyniadau
- Thomas, Peter, 1920-, 1 canlyniadau
- Parry, Thomas, 1904-1985, 1 canlyniadau
- Roberts, Wyn, 1930-, 1 canlyniadau