'Letters from the Governor-General to the Secret Committee', 'Fairs and Tolls in the Countries on the Indus, Gwalior'., 13 January 1840., MS.12186. Correspondence and papers of the Elliot family of Minto., MSS.11001-13496. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/53019 Accessed September 23, 2024.