Correspondence mostly between Henry and Robert Dundas, 1st and 2nd Viscounts Melville and the Prime Minister, Spencer Perceval, on the formation of the latter's ministry and the participation of the 2nd Viscount in the government., 1809-1810., MS.19580. Political correspondence and papers and some personal accounts of Robert Saunders Dundas, 2nd Viscount Melville., MSS.19579-19581. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/44038 Accessed September 24, 2024.