A manuscript containing 'A Short History of Wales' 'copied from a MS. in the study of Mr. Edwards of Rhyd y Gors near Caermarthen'.

A volume in the hand of Evan Evans (Ieuan Fardd) containing a transcript of an address to Robert Vaughan of Hengwrt by William Maurice, 1661 (ff. 1-46); and a Catalogicus Chronologicus Scriptorum Britannicorum (ff. 46 verso-52); etc.

'Gossodedigaetheu a Messureu y Deyrnas, Cantrevi a Chymydeu Kymry', being a list of hundreds, commotes and other geographical divisions within Wales. At the end of every division is a list of its castles.
The list of 'Cantreds and Commotes of Wales' (p. 5) agrees practically with the one in Peniarth MS 163.

A 'Copy of the Dedication of, and Preface to Sir Thomas Wiliems's Latin-British Dictionary', together with notes on the life and work of Dr John Davies, Mallwyd, and ballads, which include the works of Rowland Fychan of Caer-gai, Lewis Morris and Richard Abraham, written c. 1738 (see p. 2). Also including englynion to Robert Vaughan, Caer-gai by Dr John Davies; a translation by Dr Davies of Thomas Wiliems's dedication of his Dictionary to Sir Richard Wynne, Gwydir; and notes concerning Thomas Wiliems's Dictionary at Hengwrt, with a copy of its Preface (see Peniarth MS 228).

Medical recipes similar to those of 'Meddygon Myddfai', written 1693 (see p. 73).

A manuscript in the hand of Moses Williams containing 'A Chronological Account of the several Editions of the Scripture in Welsh', which included 'a thin Book in Qto, that contained among other things, the Lord's Prayer & the Decalogue', which 'I suppose was done by Sir John Pryse [London, 1567]'. Loose in the manuscript is a letter from 'Rich: Morris to W. Jones'.

A volume containing an account of the manuscripts transcribed by Evan Evans (Ieuan Fardd) in the form of a dedicatory letter, dated 8 August 1785, addressed to Sir Roger Mostyn (pp. 1-15), together with his introduction to British History (pp. 17-132). The text includes many quotations and extracts from Robert Vaughan, William Jones, Bishop Humphrey Humphreys, from Greek and Latin authors, etc.

A transcript [?in the hand of Evan Evans] of 'Memoirs By Sir John Wynne of Gwydir', taken from the 1683 copy by Thomas Mostyn of Gloddaeth which itself was 'transcribed from a copy belonging to Sir Morris Parry of Llan-Elian clerk in the year 1674' [probably the volume now NLW MS 23289B] (pp. 78-79).

A manuscript containing 'A Short View of the Long Life of Sir Rice [Rhys] ap Thomas K.G.'. The text of this manuscript is fuller and more correct than that printed in the Cambrian Register, 1 (1795), pp. 49-144, but breaks off with the appointment of Sir Rice ap Thomas as Justiciar of South Wales (pp. i-xviii, 1-139, 145-151).
There are marginalia giving, here and there, references to original documents. There is also a continuation to the manuscript by Evan Evans (pp. 139-144, 152-159), who states: 'There was another chapter of this curious history as appears by a shred of a leaf still remaining of the Author's autograph ... I have collated this MS. [i.e. 2038D] carefully with the Author's MS. which I am sorry to say is imperfect' (p. 158).

A manuscript in the hand of John Jones, Gellilyfdy containing 'The Three Antiquities of Bryttaen' in six chapters. The material relates to the Welsh bards, the Welsh language and alphabet, and Welsh grammar.

A volume in the hand of Evan Evans (Ieuan Fardd) consisting mostly of commentary, by Robert Vaughan, Hengwrt, on Welsh triads, in particular the 'Keyreu'. The views of William Camden on various subjects and places are rebutted, and there are numerous references to, and quotations from, early geographers and historians. The text is apparently left unfinished.

A manuscript containing 'A translation of the Triads ... by Mr Lewis Morris out of Mr. Vaughan of Hengwrt's copy ...', transcribed and corrected by Ieuan Fardd, 12 October 1773 (pp. 3-47); and a list of collections of Welsh manuscripts (pp. 81-87).
The volume also includes a list of proverbs needing correction or insertion in John Davies, Mallwyd's Dictionary (pp. 50-59); a 'catalogue of the works' of Llywarch Hen, Myrddin, Taliesin and Aneirin 'out of Moses Williams's collection' (pp. 73-80); an elegy to Humphrey Llwyd, author of the Breviary of Britain, by Lewis ap Edwart (pp. 87-95); etc.

A manuscript containing a collection of Welsh arms and pedigrees compiled and abridged from the works of several authors during the years 1697-1698 by John Gruffydd of Cae Cyriog, Ruabon, here transcribed and rendered into English by William Jones of Llangadfan. P. ix contains 'A list of the Heralds and Genealogists from whom the author compiled the following Book and the dates of their MSS'; amongst the names mentioned are Gutun Owain, William Salesbury of Rhug, John Salisbury of Erbistock and Foulk Owen of Nantglyn. At the beginning of the volume are loose papers which include two letters in the autograph of Walter Davies ('Gwallter Mechain'), one of which is dated 3 June 1799 and relates to the Board of Agriculture. At the end of the volume (pp. 155-166) are copies of letters from Robert Vaughan concerning Gwaithfoed, Lord of Cardigan, with a reply from Mr Kynaston of Pant y Byrsley.