Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Vaughan, Arthur Owen -- Archives., 2 canlyniadau
- Davies, J. Glyn (John Glyn), 1870-1953 -- Archives, 1 canlyniadau
- Thomas, Jennie, 1898-1979 -- Correspondence, 1 canlyniadau
- Jones, T. Gwynn (Thomas Gwynn), 1871-1949 -- Correspondence, 1 canlyniadau
- Vaughan, Arthur Owen., 1 canlyniadau
- Rhoscomyl Memorial Fund., 1 canlyniadau
- Vaughan, Olwen -- Archives., 1 canlyniadau
- Vaughan, Olwen., 1 canlyniadau
- Vaughan family, (family of Arthur Owen Vaughan), 1 canlyniadau