Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- British Records Association Collection,, 57 canlyniadau
- League of Nations Union and United Nations Association Records,, 35 canlyniadau
- John Bryn Roberts Collection,, 26 canlyniadau
- Clement Davies (Liberal MP) Papers,, 21 canlyniadau
- Haverfordwest (Williams & Williams), 20 canlyniadau
- D. Rhys Phillips Papers,, 17 canlyniadau
- Penrice and Margam Estate Records,, 16 canlyniadau
- J. Glyn Davies Papers,, 16 canlyniadau
- Edwinsford Estate Records, 16 canlyniadau
- Penralley Papers, 16 canlyniadau
- Pob un
- Longueville Gittins, Solicitors., 2 canlyniadau
- , 1 canlyniadau
- Herbert of Cherbury, Edward Herbert, Baron, 1583-1648, 1 canlyniadau
- , 1 canlyniadau
- , 1 canlyniadau
- , 1 canlyniadau
- , 1 canlyniadau
- Owen, William, 1732?-1778, 1 canlyniadau
- Strata Marcella Abbey (Wales), 1 canlyniadau
- , 1 canlyniadau
- Pob un
- Godolphin family., 2 canlyniadau
- Independent Order of Odd Fellows. Manchester Unity Friendly Society. Gwalia District. Loyal Dovey Lodge., 2 canlyniadau
- Independent Order of Odd Fellows. Manchester Unity Friendly Society. Gwalia District. Loyal Llynlleoedd Lodge., 2 canlyniadau
- Lhuyd, Edward, 1660-1709., 1 canlyniadau
- Williams, Taliesin, 1787-1847 -- Archives., 1 canlyniadau
- Iolo Morganwg, 1747-1826 -- Correspondence., 1 canlyniadau
- Iolo Morganwg, 1747-1826 -- Notebooks, sketchbooks, etc., 1 canlyniadau
- Wynn, John, Sir, 1553-1627, 1 canlyniadau
- Owen family, of Brogyntyn, Clenennau, and Glyn -- Correspondence., 1 canlyniadau
- Owen, Robert, Sir, 1658-1698 -- Correspondence., 1 canlyniadau
- Pob un
- Deeds -- Wales -- Anglesey, 2 canlyniadau
- Site-specific theater -- Wales., 2 canlyniadau
- Experimental theater -- Wales., 2 canlyniadau
- Archives, Diocesan -- Wales -- Bangor., 1 canlyniadau
- Llannefydd (Wales), 1 canlyniadau
- Llanrwst (Wales), 1 canlyniadau
- Rhuddlan (Wales), 1 canlyniadau
- St. Asaph (Wales), 1 canlyniadau
- Administration of estates -- Wales, 1 canlyniadau
- Caernarvonshire (Wales) -- Politics and government -- 16th century, 1 canlyniadau