Disgrifiadau lefel uchaf yn unig
Arfon, G. H. (Griffith Hugh), 1849-1919 Poetry to (1895), NLW MS 22362B, inside front cover
Language and languages British, letter, 1775, rel. to, transcript of, NLW MS 22362B, ff. 9-13v -- Etymology Dewisiadau chwilio manwl