Reference: Llanstephan MS 47B
A manuscript containing poetry by Hywel Swrdwal, Siôn Cent, Iolo Goch, Dafydd ap Gwilym and others, including cywyddau by Dafydd ap Gwilym which are numbered in the text 1-244. The manuscript is written in the same hand as that in Peniarth MS 48 and Peniarth MS 134 and Llywarch Reynolds MS. On pp. 565-580 is an index to the authors of the poems compiled by Richard Morris for William Jones, London, 1747. P. 305 is inscribed 'Isaac Jones his book'.
A detailed list of the manuscript's contents may be found in J. Gwenogvryn Evans, Report on Manuscripts in the Welsh Language, Vol. II, Part II (London, 1903), pp. 516-523.