
Letter (2 November 1917) to Lord Rothschild; this letter became known as the Balfour Declaration, quoted in Blanche E. C. Dugdale, Arthur James Balfour, First Earl of Balfour, K.G., O.M., F.R.S., Etc. 1906–1930 (London: Hutchinson & Co. Ltd, 1936), p. 171.