Muller, William D. The 'kept men'? : the first century of trade union representation in the British House of Commons, 1874-1975 / William D. Muller. - Hassocks : Harvester Press [etc.], 1977. - xx,283p. ISBN: 0855271841 Subjects--Corporate Names: Great Britain. Parliament. House of Commons. Subjects--Topical Terms: Trade-unions--Political activity--History.--Great Britain