The concept: theory and definition; authority and pacemaking; period and size; skill, exclusivity and unionization. A new approach: general context; the model. The engineers: as ideal types; industrial experience. Dock labour and other unskilled: dock labourers; similar unskilled. Secure workers: introduction; control and paternalism, working conditions, trade unionism; post office workers. Insecure workers: introduction; building workers; miners. Trade unions: general context; leadership and policies; unions, old and new; union groupings. Politics: introduction; political culture; unions and party politics. Outside industry: introduction; the family; stratification; consumerism.