Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Elis-Thomas, Dafydd, 1946-, 1 canlyniadau
- Ellis, T. I. (Thomas Iorwerth), 1899-1970, 1 canlyniadau
- Cymdeithas yr Iaith Gymraeg., 1 canlyniadau
- Association of District Councils, Council of Welsh Districts., 1 canlyniadau
- Undeb Cymru Fydd., 1 canlyniadau
- Pwyllgor Amddiffyn Diwylliant Cymru., 1 canlyniadau
- Undeb Cymru Fydd. Welsh Church Acts Funds Committee., 1 canlyniadau
- Parliament for Wales Campaign., 1 canlyniadau
- Raffan, Keith, 1949-, 1 canlyniadau
- Undeb Cenedlaethol y Cymdeithasau Cymraeg, 1 canlyniadau
- Pob un
- University College of Wales (Aberystwyth, Wales)., 1 canlyniadau
- Association of District Councils. Council of Welsh Districts -- Archives, 1 canlyniadau
- Association of District Councils. Committee of Welsh District Councils -- Archives, 1 canlyniadau
- Association of District Councils. Council of Welsh Districts., 1 canlyniadau
- Association of District Councils., 1 canlyniadau
- Association of District Councils. Committee of Welsh District Councils, 1 canlyniadau
- Williams, Tom, of Blackwood., 1 canlyniadau
- Elis-Thomas, Dafydd, 1946- -- Archives., 1 canlyniadau
- Great Britain. Welsh Office., 1 canlyniadau
- Undeb Cymru Fydd -- Archives, 1 canlyniadau
- Pob un
- Welsh language -- Government policy -- Wales., 5 canlyniadau
- Broadcasting -- Wales., 2 canlyniadau
- Police -- Great Britain., 2 canlyniadau
- Politicians -- Wales -- Correspondence., 1 canlyniadau
- Great Britain -- Politics and government -- 20th century, 1 canlyniadau
- Political parties -- Great Britain., 1 canlyniadau
- Political parties -- Wales., 1 canlyniadau
- Great Britain -- Politics and government., 1 canlyniadau
- Welsh language -- Usage, 1 canlyniadau
- Welsh language -- Study and teaching, 1 canlyniadau
