Executors' Papers: Martyn, Drake and Butterworth Althorp Papers. Vols. ccxxvii-ccxxxii. Papers acquired by Charles Poyntz as executor of Elizabeth Ann Martyn (d. 1789) and her nephew, John Butterworth; 1667-1807. Including papers of Thomas Martyn, M.P., of the Middle Temple (1689?-1750), son-in-law of Sir Francis Drake, 3rd Bart. of Buckland, and father of Elizabeth Ann Martyn. Six volumes.
Executors' Papers: Poyntz Family Althorp Papers. Vols. ccxii-ccxxiv. Papers of Charles Poyntz and others concerning claims on family estates, chiefly in the West Indies; 1681-1794, n.d. For the family relationships, see Maclean, Family of Poyntz, pp. 226-227. Thirteen volumes.
Althorp Papers. Vols. mcccxxiii-mcccxxxiii. Notebooks and exercise books, apparently from George Spencer's later school years, on various academic subjects, particularly Ancient Greek and Latin literature; 1816-circa 1818. Eleven volumes.
Althorp Papers. Vols. mmdliii-mmdlxvii. Correspondence and papers relating to Charles Francis, elder son of Sir Horace Seymour, (b.1819, d.1854). Charles Seymour joined the army, became a Lt. Colonel in the Royal Scots Fusiliers and served as an Assistant Adjutant General in the Crimea. He was killed in action at Inkermann in November 1854; 1828-1854. Fifteen volumes.