1. Add MS 89143/1/1/132 Reference (shelfmark): Add MS 89143/1/1/132 Title: Correspondence with the Duke of Portland Scope & Content: Letters (11 July, 1821 – 30 September, 1822) between G. Canning and William Henry Cavendish-Scott-Bentinck, 4th Duke of Portland. Collection Area: Western Manuscripts Languages: English Date Range: 11 Jul 1821-30 Sep 1822 Extent: 1 folder