Correspondence and papers of Admiral Sir Angus Cunninghame Graham and Jean Cunninghame Graham (Lady Polwarth), mostly relating to the life and literary estate of Robert Bontine Cunninghame Graham., 1936-1986., Acc.11335/149-161. Correspondence, notes, literary papers and other papers of the Cunninghame Graham family, mostly of Robert Bontine Cunninghame Graham; and financial and administrative papers relating to Gartmore and Ardoch., Acc.11335/1-227. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/85884 Accessed May 17, 2024.