Papers of John Balfour, 1st Baron Kinross; of his wife, Marianne Balfour, 1st Lady Kinross; and of his daughter, Isobel Nora Gwendoline Balfour., 1861-1912, undated., Acc.7638/4-20. 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/95764 Accessed September 29, 2024.