A manuscript in the hand of 'David ap Griffith effyriad' (see pp. 13, 14) containing medical precepts and prescriptions (pp. 15-27, 54-92), material of botanological (pp. 28-40), physiological (pp. 41-49) and theological (pp. 1-12) interest, and poetry (pp. 13-14, 50-53). The section on botany includes a Latin-Welsh vocabulary of plant names. Poetical works cited are those of Taliesin, Dafydd ap Gruffydd and Gruffudd Gryg.
There are traces of the hand of Sir Thomas Wilems (p. 40), and also of another hand on many folios.

A copy of Rhys Jones (ed.): Gorchestion Beirdd Cymru ... (Amwythig, 1773), with copious late eighteenth century manuscript additions entered partly in the margin and partly (largely) on bound-in leaves at the beginning and the end. The majority of the additions are in the hand of Jacob Jones, recipient of the volume (see note, below). These consist mainly of prose texts of 'a Letter written by our Blessed Lord and Saviour Jesus Christ and found 18 miles from Iconium 65 years after Our Saviour's Crucifixion ...', 'King Agbarus's Letter' and 'Our Saviour's Answer', and 'Sentulius's Epistle to the Senate of Rome'; culinary and medical recipes ('Receipts of Sundries'); and 'cywyddau', 'englynion', 'cerddi', metrical psalms, etc. by William Edward, W. Evans, Mr Goronwy Owen, Jacob Jones, Dafydd Davies ('Llongwr', 'ai Dwedod yn Aberdyfi Meirion 1773'), 'Tad gwehydd Sychnant sir feirion', [David Jones] ('Dewi Fardd'), Hu Jones (Llangwm), J. Jenkins, Taliesin, Ann Fochan [sic], ?Hugh Jones (Glan Conwy), Mathew Owen ('o Langar'), [Thomas Edwards] ('Twm o'r Nant'), Mr Risiart Rhys ('Or Gwerllwyn, Ym Merthyr Tydfil, yn Swydd Trefaldwyn'), Jno. Roberts ('Almanaccwr Caer Gybimon'), Huw ap Huw, Dafydd Jones ('or Penrhyn deudraeth'), Mr Jones ('Ficcar Llanbryn Mair'), Elis Rowland, Ellis Roberts ('y Cowper'), Ioan ab William, T. ab G., Hugh ab Sion, Edmund Prys, Robert Jones, John Peters, Wm. Griffiths, Thos. Jones, Huw Rob[erts], Edward Jones, Ierwerth Fynglwyd, Howel Daf[ydd] ap Ieuan ap Rhys, Tudur Aled, William Llun, John Phillip, Lewis Morys ('Llywelyn ddu'), Llywarch hen, Dafydd Nanmor, Bleddyn Fardd, Gruffydd ap yr Ynad Coch, 'one of the Parry's of Newmarket', Dafydd Brydydd Hir ('o Lanfair' dôl Haearn'), William Williams, Aneuryn Gwawdrydd, [David Thomas ('Dafydd Ddu Eryri')] and Jonathn Hughes, and from printed sources.

An imperfect volume containing 'cywyddau', etc. by Thomas Prys, Robt. Lewis, Iolo Goch, Gutto or Glynn, Richard Kynwal, Robt ap Rees Wynn ('o Arianog'), Rowland Vychan, Richard Kynfol, Y Prydydd Hael, Evan Deulwyn, Doctor Sion Kent, Edward Mayelor, D'd ap Gwilim, Tudur Aled, Risiart Gele, Sion Tudur, Simwnt Vychan, Ievan Gethin ap Ie'nn ap Lleision, Evan Lloyd brydydd, Madog Benfras, Howel Gethin, Llowdden, Sion Phillip, Robt. Clidro, Sion Brwynog, Dafydd ap Rys ap Evenni?, D'd ap Edmund, Gruffydd Grvg, Mredydd ap Rees, William Llyn, and Rees Wynne, and anonymous poems; and poems in free metres by Rydderch Roberts and Ifan Llwyd Sieffrey. Later additions include a few medical recipes and copious marginal arithmetical calculations. The text, according to a note by J. H. Davies on the fly-leaf, was used by the writer of NLW MS 717, and the manuscript in fact bears an example of his hand. The spine is lettered 'Poetry'.