Harrison uses his first London show since 1969 to promote the Natural Law Party in Britain's national elections on Thursday.. Los Angeles Times. April 8, 1992:
(Sept 2007) 44#2 pp 169–192 Hattersley, Roy. Borrowed Time: The Story of Britain Between the Wars (2008) pp 115–42. Laybourn, Keith. The General Strike
(原始内容存档 (PDF)于2017-12-01). Labour Party (Great Britain). Report of the Annual Conference — Labour Party (Great Britain) – Google Books. 2007-03-19 [2016-03-15]