A manuscript containing, in excellent script by William Owen-Pughe, the works of Aneirin and Taliesin, etc. At the beginning of the volume are sketches of human faces, followed by notes on 'Gafis' and 'Deffrobani' and on the Irish alphabet, and a title page headed 'o Gasgliad Huw Morus, Tuddyn Tudur, 1796' (pp. i-2). The text also includes introductions to Aneirin and Taliesin (pp. 7, 63).
There is no evidence that this manuscript was used for the Myvyrian Archaiology of Wales.