Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Davies, J. H. (John Humphreys), 1871-1926 -- Correspondence, 2 canlyniadau
- Davies, J. H. (John Humphreys), 1871-1926, 1 canlyniadau
- Roberts, Robert, 1834-1885 Collected material relating to (early 20 cent.), NLW MS 4494D, 1 canlyniadau
- Roberts, Howell, 1842?-1922 Notes on Robert Roberts (Y Sgolor Mawr) (early 20 cent.), NLW MS 4494D, 1 canlyniadau
- Roberts, Robert, 1834-1885 NLW MS 4493B -- Correspondence, 1 canlyniadau
- Williams, W. Prydderch (1912, 1917), NLW MS 4493B -- Correspondence, 1 canlyniadau
- Williams, W. Prydderch Letters from (1912, 1917), NLW MS 4493B, 1 canlyniadau
