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Subjects
- Industrial relations -- United States.[remove]3
- Construction industry -- United States.1
- Hours of labor.1
- Labor -- Michigan.1
- Labor unions.1
- Laborers.1
- Lawyers -- United States.1
- Open and closed shop.1
- Railroads -- United States.1
- Steel industry.1
- Strikes and lockouts -- Iron industry.1
- Strikes.1
- Trade-unions -- Iron and steel workers.1
- Trade-unions.1