Clegg, H. A.
A history of British trade unions since 1889; Vol. I
Clarendon Press, 1964
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The British trade union directory
edited and compiled by Wolodymyr Maksymiw
Longman, 1990
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McIlroy, John
Trade unions in Britain today
Manchester University Press , 1995
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New horizons for the information profession : meeting the challenge of change
edited by Hilary Dyer and Gwyneth Tseng
Taylor Graham, 1988
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Humphreys, Nick
Trade union law
Blackstone Press, 1999
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