A manuscript containing dated extracts from Brut y Tywysogion (pp. 1-16); and a chronological table 'out of Sir Tho. S. Sebright's MS. No 13. Ex libro D'ni Jo. Prise Militis'.
A manuscript in the hand of Moses Williams containing a pedigree of the saints. The text beginning at p. 13 is copied from Bib. Harleian MS 95 A. 16; the text beginning at p. 21 is copied from Jesus College MS 3, p. 34.
A manuscript containing medical recipes, lists of names of medicinal plants, etc. Much of the text agrees practically with that of the Meddygon Myddfai, but the order is quite different, and the wording varies also.
A manuscript in the hand of Moses Williams containing 'Kelvyddyd kerdd Davod' (ff. 1-5a), being a copy of pp. 10-16 of Llanstephan MS 28, with a note stating that 'This imperfect Tract I transcribed out of a MS. writ by Guttyn Owain A.D. 1455 & communicated to me by D Foulkes of Llanbedr Dyffryn Clwyd.'; and an extract 'Out of Huw Machno's Book' (ff. 5b-12b) outlining the fifteen faults which may be committed when writing Welsh verse, with examples. The text cites a line from Wiliam Cynwal.
A manuscript, mainly in the hand of James Davies ('Iaco ab Dewi') of 'Trerhedyn yn Llan Llawddoc' and completed 15 July 1713 (see p. 30), containing 'Meddygon Myddfai', being a transcript from the Red Book of Hergest, Col. 928. The manuscript is interleaved throughout, and passages of the text are translated here and there on the interleaves by Moses Williams.
A manuscript containing a copy of Aristotle's Book of Physiognomy (originally written by Aristotle for Alexander the Great) (ff. 1-9) (cf. Jesus College MS 7, p. 48); material relating to astrology (ff. 10-26); and Traethiad Robin Moyses (ff. 26-28). The two works contained in ff. 1-19 are copied from a manuscript written by John Jones, Gellilyfdy in 1604, which was copied by Jones from a manuscript written in 1476.
A manuscript containing 'Kyngor Katw ddoeth ar Bardd glas', being a transcript by Samuel Williams of a manuscript written in 1604 by John Jones, Gellilyfdy.
A manuscript in the hand of Moses Williams (pp. 1-4) and another (pp. 5-66) containing a transcript of Kulhwch ac Olwen and of Y Mabinogion from the Red Book of Hergest.
A manuscript in the hand of Moses Williams containing Triads and Gorwynnion from the Red Book of Hergest, Englynion y Clywaid from Jesus College MS 3, and XIII Tlws.
A manuscript in the hand of Moses Williams containing the Interpretation of Dreams from Llanstephan MS 28; and 'Gr. ap kynan twssog kymry a wnaith gyfreth ar y gwyr wrth gerdd' in a seventeenth century hand.
A manuscript containing Brut y Tywysogion; measurements of Britain; the Twenty-four Knights of King Arthur's court; the pedigrees of British kings and rulers; etc.
A manuscript in the hand of Moses Williams containing 'Y Groclith' (ff. 1-22) and 'Rybud Gabriel at Veir' (ff. 23-26) (Luke i, 26-38), both of which are written in two columns, the one in mediæval, the other in modern orthography.
A manuscript containing lives of saints, etc. An index is included on p. i. Pp. i, 427-433 are in the hand of Moses Williams. A note - 'Pretium £1 . 4 . 6 An. 1715' - on the fly-leaf is in the same hand as most of the manuscript. At the end of the Life of St Margaret, which begins at p. 427, the scribe has written 'Felly y terfyna buchedd saint y Marged a esgrifenodd Tho: Evans 1628 fis Mawrth 5 dydd'.
A manuscript containing 'Traethawd ynghylch Dychymmygjon Dynjon yn Addoliad Duw', being a translation of the work of William King, lord bishop of Dublin. At the beginning of the volume are prefixed two leaves containing a list of Welsh place names and their Latin equivalents.
A manuscript containing ''The Art of Contentment' or Addysc i foddlonrwydd', translated into Welsh apparently by 'Nathanael Jones Esq. anno ætatis suæ 57' (p. 130).
