Subjects
- Coal mining - Working conditions.1
- Coal mining - coal operators associations.1
- Coal mining -- Strikes1
- Coal mining.3
- Coal operators associations.1
- Communism1
- Education. SEE ALSO Schools.1
- Elections3
- Environmentalism1
- Glass industry.3
- Glass manufacture2
- Glassmaking recipes.1
- Grievance cases - labor unions.1
- Illinois - Coal mining.1
- Labor organization - Subversive Activities Control Board.1