Althorp Papers. Vols. mcxx-mcxxiv. Correspondence relating to Treasury and Exchequer business, as well as to general matters within the sphere of Government administration; 1832-July 1834, circa 1833-1834. Five volumes.
Althorp Papers. Vols. mcxxv-mcxxix. Correspondence relating to Customs and Excise business; 1826-1834, circa 1833-1834. See also H66-H68 for petitions etc.
Althorp Papers. Vols. mcxxx-mcxxxii. Correspondence concerning assessed taxes; 1833-1834, circa 1833-1834. See also H69-H70 for petitions etc. Three volumes.
Althorp Papers. Vols. mcxxxiv-mcxxxvi. Petitions etc. concerned with Customs and Excise matters; 1830-1834, circa 1833-1834. See H57-H61 for related correspondence. Three volumes.
Althorp Papers. Vols. mcxxxvii, mcxxxviii. Petitions etc. concerned with assessed taxes; 1831-1834. See Add. MSS 76430-76432 for related correspondence. Three volumes.
Althorp Papers. Vols. mcxxxix, mcxl. Petitions etc. concerning individuals who served in the army or navy; 1821-1834. See Add. MS 76415-76416 for related correspondence and documents. Two volumes.
Althorp Papers. Vols. mdccci-mdcccv. Correspondence with John George Brabazon, 5th Earl of Bessborough. Also includes material relating to the Clifden Trust (see Clifden below); 1857-1879, n.d. For original index see KS504. Five volumes.
Althorp Papers. Vols. mmlxxxii-mmlxxxvi. Letters to Spencer from Sir Ughtred Kay-Shuttleworth, M.P., Parliamentary Secretary to the Admiralty, with a few copies of letters from Spencer to Kay-Shuttleworth; 1892-1895. Included are a few letters from Kay-Shuttleworth to W. Graham Greene and a letter from Kay-Shuttleworth's wife, Blanch, to Spencer (26 March 1893). A few letters of Kay-Shuttleworth are signed and are in the hands of his wife and others, probably his secretaries. Five volumes.
Althorp Papers. Vols. mmlxxxix, mmxc. Correspondence of Spencer with Admiral Sir Michael Culme-Seymour, Commander-in-Chief in the Mediterranean (1893-1897); 1893-1895. Two volumes.