1. Allen, V. (1954) Power in Trade Unions (London: Longmans)
2. Batstone, E., Boraston, I. and Frenkel, S. (1977) Shop Stewards in Action (Blackwell).
3. Boraston, I., Clegg, H. and Rimmer, M. (1975) Workplace and Union (London: Heinemann).
4. Eaton, J. and Gill, C. (1983) The Trade Union Directory Second edition (London: Pluto Press).
5. Edelstein, J. D. and Warner, M. (1975) Comparative Union Democracy (London: Allen & Unwin).