Correspondence of the 8th Marquess of Tweeddale including material concerning the Peninsular War and the war in North America, 1811-1814, British domestic politics, the Marquess's Governorship of Madras, miscellaneous military affairs and the making of a breech-loading rifle., 1806-1876, undated., MSS.14449-14450. Papers of the Hays of Yester formerly preserved at Yester House., MSS.14401-14827. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/35870 Accessed September 25, 2024.