Althorp Papers. Vols. clxxvii, clxxviii. Correspondence chiefly of George John, 2nd Earl Spencer, and his mother Georgiana, Countess Spencer, relating to the family trust set up to manage Poyntz's affairs while he was abroad; 1800-1805. Partly drafts and copies. Two volumes.
Althorp Papers. Vol. clxxxi. 1. Accounts and papers relating to Poyntz's income and expenses at North Creake; 1778-1805. 2. Miscellaneous estate papers relating to North Creake; 1771-1793, n.d. 3. Accounts relating to his sinecure rectory at Llandaff and prebend at Durham; 1802-1807.
Althorp Papers. Vols. clxxxiv- cxc. Miscellaneous religious and devotional papers chiefly by Poyntz, including sermons and discourses, excerpts from the Bible, Old Testament genealogies and (E41) analytical lists of Hebrew and Greek occurrences of the name of God in the books of the Old Testament; 1709-early 19th cent. Partly French, German, Latin, Greek and Hebrew. Partly drafts, copies and printed. Seven volumes.
Althorp Papers. Vols. cxci, cxcii. Language exercises in verse and prose by Poyntz, chiefly translations from and into German and French; late 18th-early 19th cent. Partly French and German. Mostly drafts. Two volumes.
Althorp Papers. Vol. cxciii. Miscellaneous papers, consisting chiefly of verse and prose excerpts, medical and household recipes, botanical lists, etc.; mid 18th-early 19th cent. Partly Latin and Greek.
Althorp Papers. Vols. cxcv-cxcvii. Lists, notes and other papers chiefly by Poyntz relating to the parish of North Creake; 1701-early 19th cent. Three volumes.