Subjects
- African-Americans. SEE ALSO Coal miners - African Americans.1
- Broadsides.1
- Coal - coal operators.1
- Coal mining - Wage scales.1
- Coal mining - age affidavits.1
- Coal mining - engineering problems.1
- Coal mining - non-union miners.1
- Coal mining -- Strikes1
- Coal mining.1
- Madisonville, KY. - Dawson Colleries.1
- Unions - Progressive Mine Workers of America.1
- Unions - UMWA.2