^Mitchell, Donald (ed) (2004). Letters From A Life: Selected Letters of Benjamin Britten, Vol. 3 1946–51. London: Faber and Faber. ISBN0-571-22282-X. p. 533
^The Palgrave Dictionary of Anglo-Jewish History. Palgrave Macmillan. 2011. p. 535. ISBN9781403939104.
^Obituary: Toronto Star, Thursday, February 16, 1950, page 28:
^Russell, Dave. "Lauder, Sir Henry (1870–1950)", Oxford Dictionary of National Biography, Oxford University Press, 2004, online edition, January 2011, accessed 27 April 2014 (subscription required)
^Who was Who. (1941) London: Adam & Charles Black, 2nd ed. 1967, Vol. IV, 1941–1950, pp. 803–804.
^Stephen Lloyd (2005). H. Balfour Gardiner. Cambridge University Press. p. 211. ISBN9780521619226.