Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Jones, T. Gwynn (Thomas Gwynn), 1871-1949, 1 canlyniadau
- Lloyd, John Edward, Sir, 1861-1947, 1 canlyniadau
- Davies, Aneirin Talfan, 1 canlyniadau
- Owen, Bob, 1885-1962, 1 canlyniadau
- Bebb, W. Ambrose (William Ambrose), 1894-1955, 1 canlyniadau
- Hemon, Roparz, 1 canlyniadau
- Davies, Aneirin Talfan -- Correspondence, 1 canlyniadau
- Bachellery, Édouard, 1907-1988, 1 canlyniadau
- Llywelyn-Williams, Alun -- Correspondence, 1 canlyniadau
