A manuscript in the autograph of Evan Evans (Ieuan Fardd) containing transcripts of the Laws of Hywel Dda from an unidentified manuscript (ff. 1-9) and from the White Book of Hergest (ff. 63-67); a transcript of a commonplace book, temp. James I, the contents of antiquarian interest, being mostly concerned with Druidism and early British history (ff. 25-49); a list of the contents of the White Book of Hergest (f. 68) and transcripts of parts of it (ff. 69-74); a list of the hundreds, commotes and parishes of Wales (ff. 87-110); and various other extracts, etc.
For the text beginning at f. 75 see Peniarth MS 267, pp. 83, 86, 115; for the text beginning at f. 84 see op. cit., p. 26; for the text beginning at f. 86 verso see op. cit.; for the text beginning at f. 111 see op. cit., pp. 53-76.

A manuscript containing a copy of the Book of Aneirin (pp. 1-81); a copy of the version of the Triads in the Red Book of Hergest (pp. 83-106, 113-114); a copy of a charter giving Cyfeiliog to Strata Marcella (pp. 115-117) (see Llanstephan MS 156, p. 180); notes on the three divisions of the Druids (pp. 126-130); and various notes and extracts.