Manuscript of an untitled four act play by Owain Llewelyn Owain, depicting the lives of the quarrymen of Caernarvonshire during the early twentieth century.
'A Survey of the Ancient and Present State of the County of Caernarvon by a Land surveyor [i.e. William Williams, Llandegai (1738-1817)], 1806', together with a list of the sheriffs of Caernarvonshire, 1540-1796.
Descriptions, with diagrams, of sheep ear-marks used on farms mainly in Caernarvonshire together with the names of the farms and their occupiers, and a few accounts.
Correspondence and documents, 1901, relating to legal matters concerning the Penrhyn quarry. The correspondents include David Lloyd George, and William George (4).
A notebook, 1878-1879, containing sheep earmarks from over two thousand farms in counties Merioneth, Denbigh and Caernarfon, with an index of parishes and localities (pp. 246-7).
Pocket-book of Police Constable John Williams, stationed at Garndolbenmaen, containing a record of sheep earmarks in the parishes of Clynnog, Dolbenmaen, Llanfihangel-y-Pennant and Penmorfa, co. Caernarfon.
A volume of sermons preached during the period 1723-1731 by R. E.? at places in Anglesey and possibly in Caernarvonshire, e.g. Penrh[os], Penm[o]n and Llanfaes. Some of the sermons were preached also during the period 1793-1803.
An imperfect volume of South Caernarvonshire provenance containing accounts of a blacksmith, 1847, and accounts of a farmer [?Watkin Williams], 1847-1861.
A minute book of the Six-weekly Meetings of the Arfon District of Calvinistic Methodist Sunday Schools, Caernarvonshire, 1845-52, mainly in the hand of Richard Owen Williams, Bangor, and subsequently of Thomas Lewis (1821-97), Bangor, Member of Parliament for Anglesey.