Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Jones, Rhys, 1713-1801, 2 canlyniadau
- Lhuyd, Edward, 1660-1709., 1 canlyniadau
- Samwell, David, 1751-1798, 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Roberts, Griffith, 1735-1808, 1 canlyniadau
- Vaughan, Robert, 1592-1667, 1 canlyniadau
- Richard, Edward, 1714-1777., 1 canlyniadau
- Jones, David, -1785, 1 canlyniadau
- Roberts, John, 1749-1817, 1 canlyniadau
- Jones, Thomas, 1768-1828, 1 canlyniadau
- Pob un
- Welsh Indians., 2 canlyniadau
- Druids and druidism, 1 canlyniadau
- Welsh language -- Punctuation, 1 canlyniadau
- Welsh language -- Etymology., 1 canlyniadau
- Rhetoric, 1 canlyniadau
- Bards and bardism., 1 canlyniadau
- Celtic languages -- Comparison, 1 canlyniadau
- Welsh language -- Orthography and spelling., 1 canlyniadau
- Welsh language -- Alphabet., 1 canlyniadau
- Inscriptions -- England -- Cockermouth, 1 canlyniadau
