Title: Union and open-shop construction
Subjects: Construction industry, Construction workers, Labor costs, Labor unions, Open and closed shop, Restrictive practices in industrial relations, Trade-unions, Wages, Communication, Child development, Salaires, Ouvriers de la Construction, Atelier ouvert et fermé, Pratiques restrictives en relations industrielles, Main-d'œuvre, Coût, Syndicats, Construction, Industrie
Places: United States