1. Sir John Fortescue, The Governance of England, Charles Plummer (ed.) (Oxford: Oxford University Press, 1885), pp. 14–15; W. Denton, England in the Fifteenth Century (London: George Bell, 1888), pp. 273–4.
2. R.L. Storey, The End of the House of Lancaster (London: Barrie and Rockliff, 1966), pp. 9, 10, 14, 16, 27.
3. M. Prestwich, The Three Edwards: War and State in England, 1272–1377 (London: Methuen, 1980), pp. 165–244;
4. M.H. Keen, England in the Later Middle Ages (London: Methuen, 1973), pp. 143–65;
5. R.W. Kaeuper, War, Justice and Public Order: England and France in the Later Middle Ages (Oxford: Oxford University Press, 1988), esp. pp. 62, 132, 181, 383–90;