Subjects
- Labor unions[remove]18
- Coal mines and mining4
- Coal industry.2
- Coal mining - Labor organization.2
- Glass industry.2
- Glass manufacture2
- Glassworkers2
- Glassworkers -- Labor unions2
- Textile workers2
- Unions. SEE ALSO Labor organization.2
- Acting1
- American Association for Economic Freedom1
- Anthracite coal--Pennsylvania1
- COPE Political Material.1
- Civil rights1