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'.

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.