Are Now: Gay and Lesbian Lives in the 21st Century: Amazon.co.uk: BenSummerskill: 9780826487858: Books. Amazon.co.uk. [2015-06-18]. (原始内容存档于2016-03-04)
Political Violence and Public Order, London: Allan Lane, 1969, p. 27. Summerskill, Ben. The day mere girls subdued Baden-Powell. The Observer. 30 July 2000