Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Papurau Gwynfor Evans/Gwynfor Evans Papers,, 9 canlyniadau
- Kyffin Williams Archive, 5 canlyniadau
- Emyr Humphreys Papers, 4 canlyniadau
- Papurau'r Academi Gymreig / The Welsh Academy Papers,, 1 canlyniadau
- David Jones (Artist and Writer) Papers, 1 canlyniadau
- Sir Goronwy Daniel Papers,, 1 canlyniadau
- Papurau John Meirion Morris = John Meirion Morris Papers, 1 canlyniadau
- Pob un
- Clarke, Gillian, 1937-, 1 canlyniadau
- Watkins, Vernon Phillips, 1906-1967, 1 canlyniadau
- Prys-Davies, Gwilym Prys Davies, Baron, 1923-2017, 1 canlyniadau
- Bowen, D. J. (David James), 1925-, 1 canlyniadau
- Butler, David, 1924-, 1 canlyniadau
- Callaghan, James, 1912-2005, 1 canlyniadau
- Daniel, Goronwy H. (Goronwy Hopcyn), 1914-2003, 1 canlyniadau
- Chalfont, Alun Arthur Gwynne Jones, Baron, 1919-, 1 canlyniadau
- Ffransis, Ffred, 1948-, 1 canlyniadau
- Clwyd, Hafina, 1 canlyniadau
- Pob un
- Gruffydd, R. Geraint, 24 canlyniadau
- Evans, Meredydd, 6 canlyniadau
- Wigley, Dafydd, 6 canlyniadau
- Rees, Eiluned., 4 canlyniadau
- Powell, Dewi Watkin, 4 canlyniadau
- Anglesey, George Charles Henry Victor Paget, Marquis of, 1922-2013, 3 canlyniadau
- Kenyon, Lloyd Tyrell, 1917-1993, 3 canlyniadau
- Ward, John, 1917-2007., 3 canlyniadau
- Steel, Robert W. (Robert Walter), 1915-1997., 3 canlyniadau
- Flowers, Brian Hilton, Sir., 3 canlyniadau
- Pob un
- Breconshire (Wales), 1 canlyniadau
- Holywell (Wales), 1 canlyniadau
- Elections -- Wales -- Carmarthenshire., 1 canlyniadau
- Caerwys (Wales), 1 canlyniadau
- Catholic literature -- Wales -- Early works to 1800., 1 canlyniadau
- Catholics -- Wales -- Study and teaching., 1 canlyniadau
- Clergy, Welsh -- Spain -- Seville., 1 canlyniadau
- Priests -- Wales -- Biography., 1 canlyniadau
- Recusants -- Wales -- History., 1 canlyniadau
- Rheims (France), 1 canlyniadau