Family and estate records of the Williams family of Cotts, Pembrokeshire, 1775-1801, Louis Devandes of Cotts, 1801-1814, the Peel family of Cotts and Denant, 1814-1847, and of the Massy family of County Limerick, Cotts and Cottesmore, 1828-1883, mainly title deeds relating to premises in Pembrokeshire and County Limerick, together with copies and abstracts of the charters of the borough of Askeaton, County Limerick, 1613-1723, returns of MPs for the borough, 1613-1713, burgess lists, 1613-1723, the court book of the corporation, 1692-1724, and other papers relating to the borough, c.1715-95; and a volume containing letters, 1820-1875, relating mainly to British Museum matters.