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The story of the Civil Service Union
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A Professional Union: The Evolution of the Institution of Professional Civil Servants
Mortimer, James Edward, (1980)
Teacher unions and associations : a comparative study
Blum, Albert Alexander, (1969)
WHITE-COLLAR UNION: 60 YEARS OF NALGO. ALEC SPOOR. LONDON: HEINEMANN 1967. X, 625 S.: ILL., GRAPH. DARST.
Spoor, Alec, (1967)