Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Williams, Gwyn, 1904-1990, 5 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
- Morgan, Prys, 1 canlyniadau
- Pob un
- Jones, G. O. (Gwyn Owain), 1 canlyniadau
- Humphreys, Emyr, 1 canlyniadau
- Jones, Glyn, 1905-1995, 1 canlyniadau
- Mathias, Roland, 1 canlyniadau
- Prys-Jones, A. G. (Arthur Glyn), 1 canlyniadau
- Clancy, Joseph P., 1928-2017, 1 canlyniadau
- Dafis, Cynog, 1938-, 1 canlyniadau
- Ruddock, Gilbert, 1938-, 1 canlyniadau
- Williams, Gwyn, 1904-1990 -- Archives, 1 canlyniadau
- Ellis, Tom, 1924-2010 -- Correspondence, 1 canlyniadau
