| Author: Chris Culpin
General editors: Tom O'Leary and Emma Nixon
Researcher: Michelle Hockley, Sarah Price and Emma Nixon
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BBC News Interactive: http://news.bbc.co.uk/
The British Library: http://www.bl.uk/
Corporation of London Guildhall Library: http://collage.cityoflondon.gov.uk/
Metropolitan Police Museum: 020 8305 2824
Material in The National Archives in the copyright of the Metropolitan Police is reproduced by permission of the Commissioner of Police of the Metropolis. Under no circumstances can these documents be copied and published without permission from the Metropolitan Police.
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