Althorp Papers. Vols. ccxliii-ccxlvi. Correspondence and papers in the Exchequer suit, 1st Earl of Falmouth v. W. S. Poyntz, concerning a dispute over an exchange of property at Midgham arising from enclosure; 1767-1841. Partly printed. Four volumes.
Althorp Papers. Vol. ccxlvii. Brief, decree, etc., in the Chancery suit, Thomas Dicker and Mary Illidge v. W. S. Poyntz, concerning a debt owed by William Poyntz, father of W.S. Poyntz; 1810.
Althorp Papers. Vol. ccxlviii. 1. Journal by W.S. Poyntz of a tour in the Low Countries, Switzerland and Italy; 1817. 2. Commonplace material and medical recipes; late 18th-early 19th cent.
Althorp Papers. Vol. ccxlix. 1. Bonds of W.S Poyntz; 1798-1815. 2. Monthly abstracts of his account with Drummond's bank; 1839, 1840. 3. Will and post mortem reports; 1838, 1840. Partly abstracts.