Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Strata Marcella Abbey (Wales), 4 canlyniadau
- Cambrian Archaeological Association, 1 canlyniadau
- Valle Crucis Abbey (Wales), 1 canlyniadau
- Lhuyd, Edward, 1660-1709, 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Owen, Goronwy, 1723-1769?, 1 canlyniadau
- Iolo Morganwg, 1747-1826, 1 canlyniadau
- Williams, John, 1811-1862, 1 canlyniadau
- Pryse, Robert John, 1807-1889, 1 canlyniadau
- Pughe, W. Owen (William Owen), 1759-1835, 1 canlyniadau
- Pob un
- Welsh language, 1 canlyniadau
- Llanerfyl (Wales), 1 canlyniadau
- Llangadfan (Wales), 1 canlyniadau
- Montgomery (Wales), 1 canlyniadau
- Roads -- Wales -- Montgomeryshire., 1 canlyniadau
- Wales -- History, 1 canlyniadau
- Wales -- Antiquities, 1 canlyniadau
- Caersws (Wales) -- Antiquities, 1 canlyniadau
- Wales -- Geography, 1 canlyniadau
- Abbots -- Wales -- Conwy, 1 canlyniadau