Lady Sarah Spencer Althorp Papers. Vols. mmcdxix-mmcdliii. Correspondence and papers of Lady Sarah Spencer (b.1838, d.1919), sister of John Poyntz, 5th Earl Spencer; 1850-1919, n.d.
Althorp Papers. Vol. mmdcccxliv. Rotherthorpe. 'Map of an Estate in the Parishes of Rothersthorpe and Wootton in the County of Northampton', by Joseph Gilbert; 1848. Scale: 3 chains to the inch [1:2376]. North at top. Depicts fields, neighbouring parishes and landowners, river, canal, and roads....
Home Office Althorp Papers. Vols. dlxix-dcix. Correspondence and papers of Lord Spencer as Secretary of State for the Home Office, in Grenville’s ‘Ministry of All the Talents’ (Feb. 1806-March 1807); 1803-1807, but chiefly Feb. 1806 to March 1807, n.d. Partly French. Many are endorsed with the writer's name and date; numbers in the top left-hand corner apparently indicate dates of reply. Spencer's secretary, Rev. Joseph Allen, was responsible for writing the majority of responses. Thirty-s...
Account Books, etc. Althorp Papers. Vols. mmcdliv-mmcdxcii. Ledgers, cash books and other account books relating to the administration of Earl Spencer's property and personal finances; 1851-1910, n.d.. Some are in the hands, or partly in the hands, of Spencer or his private secretary, Courtenay Boyle. See also Northamptonshire Record Office, SOX353, SOX551-554, Thirty-nine volumes.