Althorp Papers. Vols. ccxxxvi-ccxli. Documents in the marriage settlement of W.S. Poyntz and Elizabeth Mary Browne, of which George John, 2nd Earl Spencer, was one of the trustees; 1738-1824. Five volumes.
Althorp Papers. Vols. ccxxxix-ccxli. Legal papers, correspondence and accounts of the trustees of the marriage settlement, chiefly relating to the administration of property in Devon, Cornwall and of Croydon manor and rectory; 1738-1824. Partly drafts, abstracts and copies. Three volumes.
Althorp Papers. Vols. ccxxxvi, ccxxxvii. Abstract of the title of W.S. Poyntz and his wife and their trustees to estates in Sussex; circa 1794. Draft and copy, [1819?]. Two volumes.
Althorp Papers. Vol. ccxxxviii. Abstract of title of W.S. Poyntz and his wife to the manor and rectory of Croydon; circa 1793. Two copies, one imperfect.