21. Add MS 89143/2/21 Reference (shelfmark): Add MS 89143/2/21 Title: Correspondence by Country: Sardinia and Sicily Collection Area: Western Manuscripts Languages: English Date Range: 1804-1810 Extent: 1.5 boxes (3 folders)
22. Add MS 89143/2/22 Reference (shelfmark): Add MS 89143/2/22 Title: Correspondence by Country: South America Collection Area: Western Manuscripts Languages: English Date Range: 1822-1827 Extent: 3 boxes (12 folders)
23. Add MS 89143/2/23 Reference (shelfmark): Add MS 89143/2/23 Title: Correspondence by Country: Spain and Spanish America Collection Area: Western Manuscripts Languages: English Date Range: 1803-1823 Extent: 3 boxes (9 folders)
24. Add MS 89143/2/24 Reference (shelfmark): Add MS 89143/2/24 Title: Correspondence by Country: Sweden Collection Area: Western Manuscripts Languages: English Date Range: 1807-1809 Extent: 0.5 box (1 folder)
25. Add MS 89143/2/25 Reference (shelfmark): Add MS 89143/2/25 Title: Correspondence with Minor Foreign Officials and Dignitaries Collection Area: Western Manuscripts Languages: English Date Range: 1813-1827 Extent: 0.5 box (1 folder)
26. Add MS 89143/2/26 Reference (shelfmark): Add MS 89143/2/26 Title: East India Company Scope & Content: Correspondence with Directors and Officials of the East India Company Collection Area: Western Manuscripts Languages: English Date Range: 1815-1827 Extent: 2 boxes (4 folders)
27. Add MS 89143/2/27 Reference (shelfmark): Add MS 89143/2/27 Title: Le Comte d'Antraigues Collection Area: Western Manuscripts Languages: English Date Range: 10 Dec 1806-25 Feb 1825 Extent: 3 boxes (11 folders) & 3 volumes
28. Add MS 89143/2/28 Reference (shelfmark): Add MS 89143/2/28 Title: Private Letters Received Collection Area: Western Manuscripts Languages: English Date Range: 1807-1809 Extent: 1 box (3 folders)
29. Add MS 89143/2/29 Reference (shelfmark): Add MS 89143/2/29 Title: Miscellaneous Diplomatic Papers and Papers on Foreign Affairs Collection Area: Western Manuscripts Languages: English Date Range: 1785-1826 Extent: 5 boxes, including 1 oversize (17 folders)