Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Garlick, Raymond, 2 canlyniadau
- Ellis, Tom, 1924-2010, 2 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
- Rowlands, John, 1938-2015, 1 canlyniadau
- Pob un
- Ellis, Tom, 1924-2010 -- Correspondence, 2 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
