Papers of Patrick Balfour, 2nd Baron Kinross, and of his wife Caroline Balfour, 2nd Lady Kinross., 1893-1966, undated., Acc.7638/21-29. Papers, including correspondence and photographs, of the Barons Kinross; with early papers of the Queensberry and Balfour families., Acc.7638/1-88. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/95765 Accessed September 23, 2024.