Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ellis, Tom, 1924-2010, 5 canlyniadau
- Garlick, Raymond, 2 canlyniadau
- Thomas, R. S. (Ronald Stuart), 1913-2000, 1 canlyniadau
- Gruffydd, R. Geraint, 1 canlyniadau
- Rees, Ioan Bowen, 1929-1999, 1 canlyniadau
- Jones, Gwerfyl Pierce, 1 canlyniadau
- Clarke, Gillian, 1937-, 1 canlyniadau
- Barnie, John, 1941-, 1 canlyniadau
- Jones, R. Gerallt (Robert Gerallt), 1934-1999, 1 canlyniadau
- Lloyd, D. Tecwyn (David Tecwyn), 1 canlyniadau
- Pob un
- Ellis, Tom, 1924-2010 -- Correspondence, 2 canlyniadau
- Cymdeithas yr Iaith Gymraeg, 1 canlyniadau
- Edmund-Davies, Herbert Edmund, Baron, 1906-, 1 canlyniadau
- Heaney, Seamus, 1939-, 1 canlyniadau
- Cox, John, Dr,, 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
- Garlick, Raymond -- Correspondence, 1 canlyniadau
- Thomas, R. S. (Ronald Stuart), 1913-2000 -- Correspondence, 1 canlyniadau
- Pob un
- Welsh language -- Legal status, laws, etc., 2 canlyniadau
- Passive resistance -- Wales, 1 canlyniadau
- Law -- Political aspects -- Great Britain., 1 canlyniadau
- Wales -- Emigration and immigration -- Social aspects., 1 canlyniadau
- Education Papers relating to (1970-1988), NLW MS 22551E, ff. 144-52, 269-81v -- Wales, 1 canlyniadau
- Civil rights demonstrations -- Wales, 1 canlyniadau
- Courts -- Officials and employees, 1 canlyniadau
