Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Richards, Thomas, 1878-1962., 3 canlyniadau
- Lewis, H. Elvet (Howell Elvet)., 1 canlyniadau
- Jones, T. Gwynn (Thomas Gwynn), 1871-1949, 1 canlyniadau
- Edwards, Owen M. (Owen Morgan), 1858-1920, 1 canlyniadau
- Roberts, Kate, 1891-1985, 1 canlyniadau
- Eisteddfod Genedlaethol Cymru, 1 canlyniadau
- Jones, Bobi, 1929-2017, 1 canlyniadau
- Peate, Iorwerth Cyfeiliog, 1901-1982, 1 canlyniadau
- Gwynn, Harri, d. 1985., 1 canlyniadau
- Park and Croesor Slate Company -- Archives., 1 canlyniadau
- Pob un
- Caernarvonshire (Wales), 1 canlyniadau
- Merioneth (Wales), 1 canlyniadau
- Historians -- Wales -- Archives., 1 canlyniadau
- Wills -- Wales -- Gwynedd., 1 canlyniadau
- Dissenters, Religious -- Wales., 1 canlyniadau
- Croesor (Wales), 1 canlyniadau
- Gwynedd (Wales) -- History -- Research., 1 canlyniadau
- Wales -- Emigration and immigration., 1 canlyniadau
- United States -- Emigration and immigration., 1 canlyniadau