In re A Petition of Right (1915 case cited in Burmah Oil Company (Burma Trading) Limited v. Lord Advocate, [1965] AC 75) during the first world war, the
Northwest, Vancouver, B.C.: Whitecap Books, 1995 Mackie, Richard Somerset, Trading Beyond the Mountains: The British Fur Trade on the Pacific 1793–1843, Vancouver
November 14, 2002 [20 September 2013]. (原始内容存档于2021-05-06). Josh Meyer. Trading on the Future of Terror. The Los Angeles Times. July 29, 2003 [2016-08-18]