'Orders given by the Earl of Lowdon at Halifax', 1 July-6 August 1757, a notebook containing daily orders issued by John Campbell, 4th Earl of Loudoun, to the troops under his command., 1757., MS.7093. Correspondence and papers of the Marquesses of Tweeddale, formerly preserved at Yester House., MSS.7001-7120. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/18212 Accessed September 23, 2024.