Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Vaughan, Robert, 1592-1667, 2 canlyniadau
- Davies, Walter, 1761-1849, 1 canlyniadau
- Owain Gwynedd, ca. 1545-1601, 1 canlyniadau
- Gwaithfoed, Prince, fl. ca. 1000, 1 canlyniadau
- Board of Agriculture (Great Britain), 1 canlyniadau
- Jones, William, 1726-1795, 1 canlyniadau
- Griffith, John, 1654-1698, 1 canlyniadau