1 2 3 Anthony d'Avray, 'Trevaskis, Sir (Gerald) Kennedy Nicholas (1915–1990)', Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, Jan 2008 accessed 1 Oct 2017 ↑ 'TREVASKIS, Sir (Gerald) Kennedy (Nicholas)', Who Was Who, A & C Black, an imprint of Bloomsbury Publishing plc, 1920–2016; online edn, Oxford University Press, 2014; online edn, April 2014 accessed 1 Oct 2017 ↑ Luscombe, Stephen. "Sir Gerald Kennedy Nicholas Trevaskis". The British Empire.