Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Sir Edward Anwyl manuscripts, 4 canlyniadau
- Papurau'r Athro Griffith John Williams, 3 canlyniadau
- Ioan Pedr manuscripts, 3 canlyniadau
- David Samuel manuscripts, 3 canlyniadau
- Cwrtmawr manuscripts, 2 canlyniadau
- Crosswood (Mont.) Manuscripts, 2 canlyniadau
- Lewis, Llanrhystyd Manuscripts,, 1 canlyniadau
- Thomas Stephens Manuscripts, 1 canlyniadau
- Miscellaneous letters and papers, 1 canlyniadau
- Edmondes Owen Manuscripts, 1 canlyniadau
- Pob un
- Jones, T. Gwynn (Thomas Gwynn), 1871-1949, 3 canlyniadau
- Morris-Jones, John, 1864-1929, 3 canlyniadau
- Evans, D. Tecwyn (David Tecwyn), 1876-1957, 3 canlyniadau
- Rhys, John, Sir, 1840-1915, 2 canlyniadau
- Lhuyd, Edward, 1660-1709, 1 canlyniadau
- Evans, D. Silvan (Daniel Silvan), 1818-1903, 1 canlyniadau
- Roderick, John, 1673?-1735, 1 canlyniadau
- Pryse, Robert John, 1807-1889, 1 canlyniadau
- Prys, Edmund, 1544-1623, 1 canlyniadau
- Evans, D. Silvan (Daniel Silvan), 1818-1903 -- Correspondence, 1 canlyniadau
- Pob un
- Welsh language -- Grammar., 21 canlyniadau
- Welsh language -- Idioms, 3 canlyniadau
- Welsh language -- Dialects, 3 canlyniadau
- Education -- Wales, 3 canlyniadau
- Welsh literature, 3 canlyniadau
- Welsh language -- Study and teaching, 3 canlyniadau
- Welsh philology, 3 canlyniadau
- Welsh language -- Foreign elements, 3 canlyniadau
- Welsh language, 1 canlyniadau
- Genealogy, 1 canlyniadau