Adds. & alts. in castle style and Gothic style for Francis Mathew, 2nd Earl of Landaff; '...the modern Gothic house, painted light blue, appeared to me hideous' (Pückler-Muskau).
Plan and elevation by Owen Fahy in collection of Thomas Pakenham, Tullynally Castle, Co. Westmeath; J.P. Neale, Views of the Seats of Noblemen and Gentlemen in England, Wales, Scotland and Ireland , II (1819), No. 70(illus.); J.N. Brewer, The Beauties of Ireland, II (1826), Pl. 5; Hermann, Fürst von Pückler-Muskau, Tour in England, Ireland, and France: in the years 1828, and 1829 (1832), II, 38; Mark Bence-Jones, 'Thomastown Castle, Co. Tipperary', Country Life 161, 2 Oct 1969, 818-24(illus.); A.M. Rowan, ed., The Architecture of Richard Morrison and William Vitruvius Morrison (IAA, 1989), 166-168(illus.)