Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Powys, Theodore Francis, 1875-1953, 2 canlyniadau
- Marks, Isobel Powys, 2 canlyniadau
- Casey, Gerard, 1 canlyniadau
- Penny, Lucy Amelia, 1890-1986, 1 canlyniadau
- Casey, Mary, 1915-1980, 1 canlyniadau
- Playter, Phyllis, 1 canlyniadau
- Powys, Gertrude M. (Gertrude Mary), 1 canlyniadau
- Gregory, Alyse, 1884-1967, 1 canlyniadau
- Wilkinson, Louis, 1881-1966, 1 canlyniadau
- Turner, Gilbert, 1 canlyniadau
- Pob un
- Powys, John Cowper, 1872-1963, 1 canlyniadau
- Powys, John Cowper, 1872-1963 -- Family -- Correspondence, 1 canlyniadau
- Penny, Lucy Amelia, 1890-1986 -- Correspondence, 1 canlyniadau
- Playter, Phyllis -- Correspondence, 1 canlyniadau
- Turner, Gilbert -- Correspondence, 1 canlyniadau
- Lewin, George -- Correspondence, 1 canlyniadau
