Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Strata Marcella Abbey (Wales), 1 canlyniadau
- Lhuyd, Edward, 1660-1709, 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Davies, Walter, 1761-1849, 1 canlyniadau
- Owen, Goronwy, 1723-1769?, 1 canlyniadau
- Iolo Morganwg, 1747-1826, 1 canlyniadau
- Jenkins, John, 1770-1829, 1 canlyniadau
- Davies, Walter, 1761-1849 -- Correspondence, 1 canlyniadau
- Parry, John, 1776-1851, 1 canlyniadau
- Jones, William, 1726-1795, 1 canlyniadau
- Pob un
- Welsh language, 4 canlyniadau
- Wales -- History, 2 canlyniadau
- Wales -- Antiquities, 2 canlyniadau
- Wales -- Geography, 2 canlyniadau
- Welsh literature, 2 canlyniadau
- Llanerfyl (Wales), 1 canlyniadau
- Llangadfan (Wales), 1 canlyniadau
- Archaeology, 1 canlyniadau
- Agriculture -- Wales, 1 canlyniadau
- Garthbeibio (Wales), 1 canlyniadau