References
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- Webb S. Webb B. History of Trade Unionism London 1950 201 202 chap. IV, especially
- Malthus T. R. A Summary View of Population Glass D. V. London 1953 141 142 1830, reprinted in Introduction to Malthus
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- Howe , E. and Waite , H. E. 1948 . The London Society of Compositors 339 – 339 .