Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Sir John Williams manuscripts, 1 canlyniadau
- William Condry Papers,, 1 canlyniadau
- Papurau Norah Isaac,, 1 canlyniadau
- Papurau Erfyl Fychan, 1 canlyniadau
- Margiad Evans manuscripts, 1 canlyniadau
- Cardiganshire and Montgomeryshire papers,, 1 canlyniadau
- Beynon family of Trewern MSS, 1 canlyniadau
- Lewis Morris Manuscripts, 1 canlyniadau
- Castle Green Manuscripts,, 1 canlyniadau
- John Phillips of Bangor Manuscripts, 1 canlyniadau
- Pob un
- James, E. L. (Evan Lewis), 1929-, 2 canlyniadau
- South Darren Lead Mining Company Cost books of (1866-1885), NLW MSS 2417-2418E, 2 canlyniadau
- D.T.M. Jones (Firm), 1 canlyniadau
- Jones, William, 1726-1795, 1 canlyniadau
- Davies, Cassie, 1898-1988, 1 canlyniadau
- Chater, A. O, 1 canlyniadau
- Urdd Gobaith Cymru. Rhanbarth Ceredigion., 1 canlyniadau
- Etheridge, Robert, 1819-1903., 1 canlyniadau
- Jenkins, Daniel., 1 canlyniadau
- Wood, H. J. T., 1 canlyniadau
- Pob un
- James, M. A. (Mary Auronwy), 1932-, 2 canlyniadau
- Abermarlais Estate (Wales), 1 canlyniadau
- Honeyborough Estate (Wales), 1 canlyniadau
- Glansevin Estate (Wales), 1 canlyniadau
- Herbert Lloyd Estate (Wales), 1 canlyniadau
- Ystrad Estate (Carmarthenshire, Wales), 1 canlyniadau
- Dinas Estate (Breconshire, Wales), 1 canlyniadau
- Gwynne family, (of Glanbran and Buckland), 1 canlyniadau
- Jones family, (of Llandovery), 1 canlyniadau
- Jones family, (of Ystrad), 1 canlyniadau
- Pob un
- Lead mines and mining -- Wales -- Ceredigion, 2 canlyniadau
- Cardiganshire (Wales), 2 canlyniadau
- Calvinistic Methodists -- Wales -- Ceredigion, 2 canlyniadau
- Lead mines and mining (1866-1885), NLW MSS 2417-2418E -- Wales -- Ceredigion -- Costs, 2 canlyniadau
- Breconshire (Wales), 1 canlyniadau
- Administration of estates -- Wales -- Carmarthenshire, 1 canlyniadau
- Administration of estates -- Wales -- Glamorgan, 1 canlyniadau
- Administration of estates -- Wales -- Pembrokeshire, 1 canlyniadau
- Administration of estates -- Wales -- Radnorshire, 1 canlyniadau
- Administration of estates -- Wales -- Breconshire, 1 canlyniadau