Subjects
- Coal mining - Labor organization.[remove]30
- Union names.19
- Unions. SEE ALSO Labor organization.19
- Coal mining.11
- Coal miners6
- Coal mining -- Strikes6
- Politics and government.5
- Elections4
- Coal mining - Miners' Treason Trials.3
- Politicians -- United States3
- Railroads3
- Unions - UMWA.3
- Unions -- Coal3
- Unions.3
- Account books2