A manuscript in two hands, second quarter of the 17th century, comprising poetry of Owain Gwynedd, Gruffudd Hafren, Siôn Cain and others praising the Lloyd family of Berthlwyd near Llanidloes.
Poems of Tudur Aled, Lewys Morgannwg and Hywel Dafi ap Ieuan ap Rhys in the hand of Robert Vaughan of Hengwrt. Also included is the text of the Fifteen Tribes of North Wales; and a letter, 1645, from Jane Davies, widow of Dr Davies, Mallwyd, addressed to Robert Vaughan (pp. 241-242).
The journal of Mrs Elizabeth Baker, Dolgelley, 1778-1786. Part I in ten volumes.
The letter book of Mrs Elizabeth Baker, relating to mining ventures in Merioneth, 1770-1775. With printed appeals for contributions towards her relief, 1787-1788, and lists of donors.
Poetry of Guto'r Glyn, Bedo Brwynllwys, Lewys Morgannwg, Huw Dafi and others; a series of 'cywyddau' directed between Bedo Hafesb and Ieuan Tew; a text by William Salisbury adressing Gruffudd Hiraethog; and the text of Y Deg Tri Arbenig. The manuscript is in four hands: hand A is that of Dr John Davies of Mallwyd; hands B and C seem to be those of professional clerks; and hand D is that of William Salisbury. There is an index of first lines from A-T in the hands of Dr Davies of Mallwyd and William Maurice of Llansilin.
Poetry of Gutto ap Siancyn, Dafydd ap Gwilym and others. The first part of the manuscript is by a single scribe of the mid-15th century. The second part is by several scribes and dates from 1501 to 1540.
One of the earliest Welsh versions of Geoffrey of Monmouth's Historia Regnum Britannie in the hand of a single scribe dating from the mid 13th century. The manuscript also contais seven folios in the hand of William Morris of Llansilin, 1660.
Various version and fragments of the Laws of Hywel Dda. The manuscript comprises three parts: A and B were written by Gwilym Was Da during the first half of the 14th century; C was written by another scribe during the period from the late 15th century to the early 16th century. The manuscript comprises two volumes kept in one box.