Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- The Honourable Society of Cymmrodorion Records,, 17 canlyniadau
- Hywel I. Evans: Welsh Schools Curriculum Records, 6 canlyniadau
- William Condry Papers,, 5 canlyniadau
- Papurau David Bowen a Ben Bowen,, 4 canlyniadau
- Tredegar Estate Records,, 2 canlyniadau
- Cilgwyn Estate Records,, 2 canlyniadau
- Garn Estate Records, 2 canlyniadau
- Institute of Welsh Affairs Records,, 2 canlyniadau
- Rhys Davies Papers, 2 canlyniadau
- H. Francis Jones Papers, 2 canlyniadau
- Pob un
- Philipps, John, Sir, 1666?-1737, 1 canlyniadau
- University of Wales, 1 canlyniadau
- Fitzwilliams, Duncan C. L. (Duncan Campbell Lloyd), 1878-1954, 1 canlyniadau
- Longford, Jennifer, 1929-, 1 canlyniadau
- Benoit, Peter Michael, 1931-, 1 canlyniadau
- Scott, Peter, 1909-1989, 1 canlyniadau
- Vesey-Fitzgerald, Desmond, 1909-1974, 1 canlyniadau
- Church in Wales, 1 canlyniadau
- , 1 canlyniadau
- School Examinations and Assessment Council, 1 canlyniadau
- Pob un
- Condry, William, 1918-1998, 3 canlyniadau
- Condry, William, 1918-1998 -- Correspondence, 3 canlyniadau
- Honourable Society of Cymmrodorion -- Correspondence, 2 canlyniadau
- Church in Wales. Diocese of Bangor, 1 canlyniadau
- Williams-Wynn, Watkin, 1692-1749, 1 canlyniadau
- Elis-Thomas, Dafydd, 1946-, 1 canlyniadau
- Bennett, Nicholas, 1823-1899, 1 canlyniadau
- Jenkins, John, 1 canlyniadau
- Parry-Williams, T. H. (Thomas Herbert), Sir, 1887-1975, 1 canlyniadau
- Williams, G. J. (Griffith John), 1 canlyniadau
- Pob un
- Elections -- Wales -- Denbighshire., 2 canlyniadau
- World War, 1939-1945, 2 canlyniadau
- Honourable Society of Cymmrodorion -- Publishing, 2 canlyniadau
- Foxhounds -- Wales -- Pedigrees, 2 canlyniadau
- Clergy -- Appointment, call and election, 1 canlyniadau
- Merthyr Tydfil (Wales), 1 canlyniadau
- Elections -- Wales -- Caernarvonshire., 1 canlyniadau
- World War, 1914-1918, 1 canlyniadau
- Crown lands -- Wales, 1 canlyniadau
- Anglesey (Wales), 1 canlyniadau
- Pob un
- Letters, 63 canlyniadau
- Diaries, 1 canlyniadau
- Poetry, 1 canlyniadau
- Programs, 1 canlyniadau
- Minutes, 1 canlyniadau
- Clippings (Books, newspapers, etc.), 1 canlyniadau
- Press releases, 1 canlyniadau
- Corporate minutes, 1 canlyniadau
- Advertising fliers, 1 canlyniadau
- Corporation reports, 1 canlyniadau
