Letters mainly concerning Hodgkin's stay in clinic at Buxton for arthritis/rheumatism treatment combined with writing 'insulin letter' and consultation with W.H. Taylor in Manchester (Ferry pp.177-178); outbreak of war, changes to research plans, arrival of H. Carlisle and apparatus from Birkbeck College (Ferry pp.183-184), 'good idea' on haemoglobin 29 Nov.