- NLW MS 10745B.
'A Collection of Welsh Pennillion, etc.', in the hand of Richard Williams, Denbigh, 10 November, 1814, containing 'penillion telyn', 'englynion', and extracts from 'cywyddau' by Siôn Brwynog, Wiliam Llŷn, Goronwy Owen, Lewis Morris ('Llywelyn Ddu o Fôn'), Robert Davies ('Bardd Nantglyn'), John Jones ('Jac Glanygors'), and John Cain Jones ('Siôn Ceiriog'). Among the titles are '3 Englyns written in Peblig Churchyard', 'Englynion i Gorph y gaingc', and 'Englyn in praise of West in the Denbigh Election 1820' (with a reply).
Williams, Richard, of Denbigh