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
- Brythonydd Papers, 24 canlyniadau
- Clement Davies (Liberal MP) Papers,, 21 canlyniadau
- Haverfordwest (Williams & Williams), 17 canlyniadau
- D. Rhys Phillips Papers,, 17 canlyniadau
- J. Glyn Davies Papers,, 16 canlyniadau
- Penralley Papers, 16 canlyniadau
- Penrice and Margam Estate Records,, 13 canlyniadau
- Pob un
- Longueville Gittins, Solicitors., 2 canlyniadau
- Welsh Liberal Party, 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
- Pob un
- Godolphin family., 2 canlyniadau
- Eisteddfod Genedlaethol Cymru, 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
- Labour Party (Great Britain) -- Wales, 2 canlyniadau
- Church in Wales. Diocese of Bangor, 1 canlyniadau
- Lhuyd, Edward, 1660-1709., 1 canlyniadau
- Gorsedd y Beirdd., 1 canlyniadau
- Williams, Taliesin, 1787-1847 -- Archives., 1 canlyniadau
- Iolo Morganwg, 1747-1826 -- Correspondence., 1 canlyniadau
- Pob un
- Wales -- Politics and government -- 21st century, 3 canlyniadau
- Wales -- Politics and government -- 20th century, 2 canlyniadau
- Wales -- History, 2 canlyniadau
- Deeds -- Wales -- Anglesey, 2 canlyniadau
- Wales, 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
- Pob un
- Letters, 3 canlyniadau
- Clippings (Books, newspapers, etc.), 3 canlyniadau
- Orchestral music -- Scores., 3 canlyniadau
- Choral music -- Wales -- 20th century., 3 canlyniadau
- Welsh poetry., 2 canlyniadau
- Music, 1 canlyniadau
- Pamphlets, 1 canlyniadau
- Deeds -- Wales -- Carmarthenshire., 1 canlyniadau
- Deeds -- Wales -- Ceredigion., 1 canlyniadau
- Surveys, 1 canlyniadau
