A volume containing accounts, 1744-1758, relating to the administration of the estate of Roger Mostyn (c. 1678-1744), Aberhirieth [Aberhiriarth], Cemais, Montgomeryshire, deceased, comprising an inventory of his goods and chattels taken and appraised, 5 November 1744, by David Rees and Humphrey Pierce (pp. 1-4); rentals, 1744-1758, of his real estate in Llanwrin and Llanfyllin, Montgomeryshire, in the collections of David Vaughan, 1744-1748, Robert Richard, 1748-1754, and Robert Evans, clerk, 1754-1758, with accounts and payments received and disbursed (pp. 5-81); together with rentals, 1753-1756, of the real estate purchased in trust for William Pugh in Llanelidan, Denbighshire, and Llandrillo and Llandderfel, Merionethshire, in the collection of Robert Evans, clerk (pp. 82-87), with accounts and payments received and disbursed, 1754-1764 (pp. 89-103).