(en) Selkirk of Douglas, Hamilton, George Nigel Douglas-, tenth earl of Selkirk (1906–1994), politician and diplomatist, vol. 1, Oxford University Press, (DOI10.1093/ref:odnb/55705, lire en ligne)
oxforddnb.com
(en) Selkirk of Douglas, Hamilton, George Nigel Douglas-, tenth earl of Selkirk (1906–1994), politician and diplomatist, vol. 1, Oxford University Press, (DOI10.1093/ref:odnb/55705, lire en ligne)