Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- The Honourable Society of Cymmrodorion Records,, 4 canlyniadau
- William Condry Papers,, 3 canlyniadau
- Cilgwyn Estate Records,, 1 canlyniadau
- Archdeacon A. O. Evans manuscripts, 1 canlyniadau
- Celynog manuscripts, 1 canlyniadau
- David Lloyd Papers, 1 canlyniadau
- Menna Gallie Papers (Archif Menywod Cymru / Women's Archive of Wales),, 1 canlyniadau
- Pob un
- Philipps, John, Sir, 1666?-1737, 1 canlyniadau
- Fitzwilliams, Duncan C. L. (Duncan Campbell Lloyd), 1878-1954, 1 canlyniadau
- Benoit, Peter Michael, 1931-, 1 canlyniadau
- Vesey-Fitzgerald, Desmond, 1909-1974, 1 canlyniadau
- Church in Wales, 1 canlyniadau
- Gallie, W. B. (Walter Bryce), 1912-, 1 canlyniadau
- Pob un
- Condry, William, 1918-1998, 2 canlyniadau
- Condry, William, 1918-1998 -- Correspondence, 2 canlyniadau
- Church in Wales. Diocese of Bangor, 1 canlyniadau
- Williams-Wynn, Watkin, 1692-1749, 1 canlyniadau
- Bennett, Nicholas, 1823-1899, 1 canlyniadau
- Great Britain. Parliament. House of Commons, 1 canlyniadau
- Benoit, Peter Michael, 1931- -- Correspondence, 1 canlyniadau
- Vesey-Fitzgerald, Desmond, 1909-1974 -- Correspondence., 1 canlyniadau
- Gallie, W. B. (Walter Bryce), 1912- -- correspondence., 1 canlyniadau
- Philipps, Owen, fl. c. 1722, 1 canlyniadau
- Pob un
- Clergy -- Appointment, call and election, 1 canlyniadau
- World War, 1914-1918, 1 canlyniadau
- Romania, 1 canlyniadau
- World War, 1939-1945, 1 canlyniadau
- South African War, 1899-1902, 1 canlyniadau
- Birds -- Conservation -- Wales -- Craig yr Aderyn., 1 canlyniadau
- Meadows -- Wales -- Brithdir (Merionethshire), 1 canlyniadau
- Natural areas -- Wales -- Talsarnau., 1 canlyniadau
- Ty Glas (Brithdir, Dolgellau, Wales), 1 canlyniadau
- Armies -- Wales, North, 1 canlyniadau
