1. Winston S. Churchill, The Second World War, vol. I, The Gathering Storm (London, 1948), pp. 59–60.
2. See especially: David Dutton, Neville Chamberlain (London, 2001);
3. John Charmley, Churchill: The End of Glory. A Political Biography (London, 1993);
4. R.A.C. Parker, Chamberlain and Appeasement (London, 1993) and Churchill and Appeasement (London, 2000);
5. Robert Self, Neville Chamberlain: A Biography (Aldershot, 2006).