Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Samwell, David, 1751-1798, 2 canlyniadau
- Gwyneddigion Society, 2 canlyniadau
- Honourable Society of Cymmrodorion (London, England), 2 canlyniadau
- Jones, Rhys, 1713-1801, 2 canlyniadau
- Lhuyd, Edward, 1660-1709., 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Morris, Richard, 1703-1779 -- Death and burial -- Poetry, 1 canlyniadau
- Hughes, Edward, 1772-1850, 1 canlyniadau
- Thomas, David, 1759-1822, 1 canlyniadau
- Jones, Owen, 1741-1814, 1 canlyniadau
- Pob un
- Druids and druidism, 2 canlyniadau
- Welsh language -- Orthography and spelling., 2 canlyniadau
- Welsh Indians., 1 canlyniadau
- Alphabets, 1 canlyniadau
- Welsh language -- Punctuation, 1 canlyniadau
- Welsh language -- Glossaries, vocabularies, etc. -- English, 1 canlyniadau
- Welsh language -- Etymology., 1 canlyniadau
- Rhetoric, 1 canlyniadau
- Merioneth (Wales) -- Genealogy, 1 canlyniadau
- English language -- Glossaries, vocabularies, etc. -- Welsh, 1 canlyniadau
