An early nineteenth century manuscript in the hand of, and consisting largely of poetry by, David Thomas ('Dafydd Ddu Eryri'). Most of the poems have been published in Corph y Gaingc (Dolgellau, 1810). The volume also contains extracts from printed works; 'Yr Angel gwarchweidwol. Cân newydd Gorph. 27 1802'; a poem entitled 'My Mother. Written in America and published in the Chester Chronicle June 14 1805'; 'Catechism Byr'; memoranda and extracts dealing with the history of Protestantism (e.g. 'Erthyglau Lambeth', 'Erthyglau Cymmanfa Dort ... 1618', 'Calvin', 'Bacsteriaeth', 'Arminiaeth', etc.); poetry by Gruffudd Wiliam ('Gutyn Peris'), 1807; 'Gweddillion Englynion yr Eos, a luniwyd yn yr Eisteddfod Ynghaerwys 1567 a gopiwyd allan o lyfr y Bardd Côch o Fon Mai 1807'; fragmentary notes and extracts (e.g. 'Y Saith Gelfyddyd (7 Rural Arts)', 'Y Saith Gysgadur', 'Enwau y Gwyr a gyfansoddasant y llyfr a elwir Gweddi Gyffredin Mai B.A. 1549', 'A Critique on the third Book of Paradise Lost', etc.); 'Emyn, allan o'r Saesoneg'; etc. Appended to one of the poems, 'Cwyn yr Henwr methiant', is the following note; 'Sepr. 7th 1805. Sent copies of the above to Rev. Mr. Williams Treffos, Morys Williams Plas Goronwy near Red Wharf and Thomas Jones King's head, Amlwch. Also to Gutyn Peris & Wm Jones Pentir & Dafydd Owen of Gaerwen, Llanystumdwy ... Sent copies of Fy Anwyl Fam, to the said persons'.