Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ellis, Tom, 1924-2010, 2 canlyniadau
- Garlick, Raymond, 1 canlyniadau
- Iwan, Dafydd, 1943-, 1 canlyniadau
- Great Britain. Home Office, 1 canlyniadau
- Law Society, 1 canlyniadau
- Griffiths, Robert, 1 canlyniadau
- Jones, Gwynoro, 1942-, 1 canlyniadau
- Garlick, Iestyn, 1 canlyniadau
- Dyfed-Powys Police, 1 canlyniadau
- South Wales Police, 1 canlyniadau
- Pob un
- Cymdeithas yr Iaith Gymraeg, 1 canlyniadau
- Tomos, Angharad, 1958-, 1 canlyniadau
- CND Cymru (Organization), 1 canlyniadau
- Morgan, Hubert,, 1 canlyniadau
- Edmund-Davies, Herbert Edmund, Baron, 1906-, 1 canlyniadau
- Schiavone, Toni Gruffydd, 1 canlyniadau
- Skinner, Dennis, 1932-, 1 canlyniadau
- Cymdeithas yr Iaith Gymraeg (1970-1988), NLW MS 22551E -- Records and correspondence., 1 canlyniadau
- Great Britain. Welsh Language Act 1967 (1970-1988), NLW MS 22551E -- Records and correspondence., 1 canlyniadau
- Ellis, Tom, 1924-2010 -- Correspondence, 1 canlyniadau
- Pob un
- Welsh language -- Legal status, laws, etc., 3 canlyniadau
- Education -- Wales, 1 canlyniadau
- Welsh Language Acts, 1 canlyniadau
- Welsh language -- Political aspects, 1 canlyniadau
- Anti-apartheid movements -- Wales, 1 canlyniadau
- Passive resistance -- Wales, 1 canlyniadau
- Northern Ireland, 1 canlyniadau
- Language and education -- Wales, 1 canlyniadau
- Peace movements -- Wales -- Caerwent, 1 canlyniadau
- Pacifism -- Wales -- Caerwent, 1 canlyniadau
