Althorp Papers. Vol. mmdxxvii. Notebook containing names of applicants to the militia submitted to Lord Spencer as Lord Lieutenant of Northamptonshire; [circa 1879-1896]. 224 x 185 mm.
Althorp Papers. Vol. mmdxliv. Letters to Horace from his younger son Beauchamp; 1828-1850, n.d. For letters from Horace to Beauchamp see Add. MSS 77868-77869.
Althorp Papers. Vol. mmdxciv. Letters to Sir Horace Alfred Damer Seymour K.C.B., (b. 1843, d.1902), 4th son of Frederick Seymour (see Add. MS 77893 above), private secretary to W. E. Gladstone. Most, relating to Ireland, are from his brother in law John Poyntz, 5th Earl Spencer; 1869-1902.
Althorp Papers. Vol. mmdcxcvii. Visitors' book of 5th Earl and Countess Spencer during their stay at Harleston while Althorp was being repaired; Aug. 1876-April 1878.
Althorp Papers. Vol. iii. Miscellaneous papers; 1603. 330 x 210 mm. Unbound. Contents: 1. Notes of clothes and other arrangements for the journey. 2. Passport from James I. Signed. 3. Letters from Lord Spencer to James I and the Privy Council. Drafts. 4. Forms of address to the Duke. Latin...