We gratefully acknowledge the following for the material and the assistance they have provided: Bishopsgate Institute, British Library Picture Library, Evans/Skinner Crime Archive, Guildhall Library and Art Gallery, Library and Museum of Freemasonry, London Library, London Metropolitan Archives, Metropolitan Police Archives Section, Metropolitan Police Commissioner’s Library, the National Archives, Kew.
Both authors would like to thank the following individuals for their support: Maggie Bird, Bernard Brown, Martin Cherry, Rob Clack, Michael Conlon, Nicholas Connell, John Fisher, the late Melvin Harris, Jon Ogan, Roger J. Palmer, Stephen P. Ryder, Neal Shelden, the late Jim Swanson, Jeremy White, Richard Whittington-Egan, Sarah Wise.
All the images reproduced here belong to the authors’ collections unless otherwise stated.