Part of Tŷ Coch Manuscripts
An eighteenth century manuscript entitled 'Enterlude neu Chwaryddiaeth Ar Destyn Odiaethol, yn dangos Pa Drigolion a fu'n Preswylio yn y Deyrnas hon cyn dyfod Cymru na Saeson erioed iw meddiannu', by R[ ] P[ ], probably Rhisiart Parry, Dyserth, Flintshire (1666-1749)
Part of Cwrtmawr manuscripts
A notebook, with a few insets, in the hand of J. H. Davies containing lists, with some locations, of printed and manuscript interludes by Ellis Roberts ('Elis y Cowper'), Hugh Jones (Llangwm), Hugh Jones and John Cadwaladr, Thomas Edwards ('Twm o'r Nant'), David Jones (Trefriw), Richard Parry (Diserth), Dr. Lodwick William, John Thomas (Penfforddwen), Jonathan Hughes, Mathew Owen and Edward Thomas (Rhydwen), and anonymous and fragmentary works.