My thanks are due to the British Library (Bloomsbury and Colindale), the London Library, Manchester Central Library, Birmingham Central Library, Lowestoft Central Library.

The Public Record Office, Leicestershire Records Service, Lancashire County Record Office.

The libraries of the Illustrated London News, Yorkshire Post, Staffordshire Sentinel, General and Municipal Workers' Union, Transport and General Workers' Union, General Federation of Trade Unions, University of London History Department, the House of Commons.

The Imperial War Museum, National Army Museum, Corps of Royal Engineers (Chatham).

The Manchester Ship Canal Company, Caledonian Canal Com- pany, Port of London Authority.

Above all I would like to thank the Rev. Hereward Cooke, former Director of the Industrial Christian Fellowship, and Kathleen Campbell, the Fellowship's hon. librarian, for their unfailing help.

Pictures still in copyright are reproduced by permission of:

Manchester Ship Canal Company, plates 2, 13, 15, 21, 56; BBC Hulton Picture Library, plate 5; Illustrated London News, plates 25-35; Leicestershire Museums (Sydney Newton Collection), cover, plates 1, 3-12, 17, 22-3, 39-41, 44-5; Islington Public Libraries, plate 20.

Last modified 19 April 2006