1. See V. Cromwell, ‘European Treaty Obligations in March 1902’, Historical Journal, vol. VI (1963), pp. 272–9.
2. Francis Oppenheimer, Stranger Within (London, Faber, 1965), p. 208.
3. G. P. Gooch and H. V. Temperley, British Documents on the Origins of the War, vol. III (1928), Appendices A and B.
4. H. Seton-Watson, The Russian Empire, 1801–1917 (1967), pp. 577–8.
5. On the international diplomacy of the period generally, see A. J. P. Taylor, The Struggle for Mastery in Europe, 1848–1918 (Oxford, Clarendon Press, 1954).