A folio volume, the contents of which consists mainly of transcripts, in a variety of hands, of Welsh verse in strict metre, including 'cywyddau' and 'englynion' by Tho[mas] lloyd Ienga, Cad[wala]dr Thomas, W[illia]m Phillip, Huw Lloyd Cynfel, John Davies, Owain Griffith, Robert Humphrey (y prydydd bach), John Richart, Davydd lloyd llewelyn ap Gruffyth (o fathafarn), Gutto'r Glynn, Davyd Nanmor, Lewis Môn, Theodor (Tydur) Aled, Robin ddu ap sianckin Bledrydd, Hugh Machno, John Phylyp, Gruffyth Phylip, Richard Kynwal, Ievan llwyd, John Owenes, Philip Jo[h]n Philip, Rys Cain, Jo[h]n V[ augha]n (Caergai), David Davies, Edm[wnd] Prys, and D[avi]d Lloyd ap Will[ ia]m. There is also some Welsh verse in free metre by Rowland Vaughan (Caer Gai). Other items include copies of a rental of chief rents issuing to the crown out of the hundred of Ardydwy ywch artro, and out of Isartro [co. Merioneth], 1623, and of a rental of assize rents in the vill of Llanaber [co. Merioneth], 1637; pedigrees of the families of Anwyll [of Park, parish of Llanfrothen, co. Merioneth], Wynn [of Gwydir, co. Caernarvon], and Wynn [of Maesyneuadd, parish of Llandecwyn, co. Merioneth ]; maternal pedigrees of several North Wales families; a copy of 'The message of king Hen[ry] the seventh, as he was on his march to Bosworth field, to John ap Meredith, as it is in Edward Puleston's Bk.'; a memorandum, 1676, by Robert Wynne, of a lease of lands called Moel y Glo to Gruff Owen; and a few lines of English and Latin verse.

Title deeds of lands acquired through 'tir prid' conveyances, purchase, leasehold and exchange by the successive owners of the Clenennau estate, lying in Caernarfonshire, mainly in Penyfed and Pennant, Dolbenmaen, Penmorfa and the surrounding parishes, 1427-1732, and in Merionethshire, around Llanfihangel-y-Traethau, Harlech and Llanfrothen, 1454-1833. Several of the deeds refer to crown lands, which were much disputed and subject to investigation by government officials. Some of the Merionethshire deeds are accompanied by or endorsed with nineteenth century notes

Letters to Sir William Maurice, 1609, [Sir John Owen], 1634, and Mrs [Jonet?] Owen, [c. 1637], William Wynn of Glyn, 1644, Sir Robert and Dame Margaret Owen, [1682x1698], 1698-1725, Ellen Owen, 1688-[c. 1702], Jane Owen, 1700-1703, William Owen, 1714-1765, Mary Owen, 1736-1779, Robert Godolphin and Ellen Owen, 1769-1793, Owen Ormsby, 1793-1796, Mary Jane Ormsby-Gore, 1810-1860, William Ormsby-Gore, 1822-1859, and William Richard Ormsby-Gore, 1880-1888, received from the Caernarfonshire and Merionethshire estate stewards, tenants, solicitors and other individuals concerning estate business, accompanied by occasional replies and relevant letters from third parties. Recurrent subjects include problems associated with tenancies and property repairs on the Clenennau, Glyn and Ystumcegid estates, accounts and outgoings, provision of commodities, family and local news, rights to sitting places in church, creation of burgesses, particularly at Cricieth, [1688x1702], 1793, 1796, enclosures, trespasses, crown lands, exploitation of timber and extraction of minerals (1880s especially). Particular topics of interest include the mortgage on Ystumcegid, 1688-1703; horse racing in Caernarfonshire, 1732; purchase of Dolbenmaen, 1735-1736; the construction of the Porthmadog railway; road improvement and other public works; the authority of the mayor and bailiff of Bala; building leases on Corporation land at Cricieth; and construction of a factory at Singrig [Llanfihangel-y-Traethau], 1841-1860. Several of the letters incorporate agent's accounts.

A Reprint of Report of Mr. (afterwards Sir John) Jervis on the Crown Rights in Merioneth and the Agenda of Special Meeting of the Caernarvonshire County Council, 17 February 1910, and Minutes of Meeting of Committee re Commons, both printed at Caernarvon and annotated by Charles E. Breese.

A copy of the Report of [Sir] John Jervis on Crown Rights in Merioneth, 1840; notes and press cuttings relating to Crown Lands in Caernarvonshire; copies of resolutions passed at a Conference of local Councils, 12 September 1910; and a note on the acquisition of land for afforestation in Wales, 1920.

Title deeds of lands acquired through purchase, 'tir prid' conveyances and leasehold by the successive owners of the Glyn estate, mainly in Llanaber, Lanbedr, Llandanwg, Llandecwyn, Llanenddwyn Llanfair[-juxta-Harlech] and Llanfihangel-y-traethau in Merionethshire, 1499-1807; the Sylfaen estate, mainly in Llanaber, Merionethshire, and to a lesser extent, Dolbenmaen, Caernarfonshire, 1509-1698, [1811]; and for lands belonging to the Owen family of Ystumcegid and later to the Wynns of Glyn, in the locality of Dolbenmaen, Llanfihangel-y-pennant, Llanystumdwy and Criccieth in Caernarfonshire, 1597-1672. Several of the deeds refer to former crown lands in Merionethshire.