A manuscript containing an incomplete interlude which has been identified as a part of 'Mynegiad yr Hen Oesoedd ...' by Thomas Williams, merchant-tailor of Talybont, Caernarvonshire, and others (London, 1761); Thomas Williams's manuscript also contains englynion, carols and triads.

A transcript made [c. 1783]-1795 by William Edward, Llanedwen, Anglesey and his son William Williams of carols and other poems by them and by Huw Williams and Hugh Jones, Llangwm.

A transcript made [c. 1761]-1792 by William Edward of carols and other poems by himself and also by Owen Gruffydd, John Thomas (o Fodedern), Daniel Jones and several others, together with a letter from Hugh Parry, Plasnewydd to William Edwards, 'Fieldkeeper at Penhwnllus'.

A collection of carols: 'Carol Plygain ar pharwel Net Puw', 'Carol Plygain ar Sawdl y Fuwch', 'Carol Plygain ar Mesur Ymadawiad y Brenin', 'Carol Nadolig ar glycha Riwabon', 'Carol Nadolig ar agoriad y melinidd', and 'Carol ar Gonset gwur Aberffraw'; an account of a meeting to make a presentation to Mr Griffith, schoolmaster, on his departure from Capel Curig; an adjudication on an essay on 'Y Diog', apparently submitted for competition at an 'eisteddfod' in Capel Curig; and 'englynion i'r Lleuad; i ofyn ffon i'r go; i'r daran'.

The tune book of Lewis Lewis, a huntsman at Gogerddan, 1821, containing hymn-tunes and anthems, 'carol plygain', 'The African hymn', and notes on psalmody.