Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Gregg, Frances, 1885-1941, 3 canlyniadau
- Jones, Jonah, 1 canlyniadau
- University of Wales, Cardiff, 1 canlyniadau
- Garlick, Raymond, 1 canlyniadau
- Jones, Gwyn, 1907-1999, 1 canlyniadau
- Powys, John Cowper, 1872-1963, 1 canlyniadau
- Powys, John Cowper, 1872-1963 -- Correspondence, 1 canlyniadau
- Powys, Margaret Alice, 1874-1947, 1 canlyniadau
- Playter, Phyllis, 1 canlyniadau
- Powys, Charles Francis, 1843-1923, 1 canlyniadau