Althorp Papers. Vol. mdxviii. 1. Correspondence with Henrietta Lyttelton, wife of Spencer Lyttelton; 1868-1909, n.d. 2. Letters from William Henry Lyttelton, son of Spencer and Henrietta Lyttelton; 1867-1876. Hampton Court, Middlesex: Admissions to copyhold tenure: 1662-1708: Partly Lat.