Subjects
- Coal mining.[remove]30
- Politics and government.15
- Railroads14
- Lumber trade9
- Account books7
- Lawyers - letters and papers.7
- Petroleum industry and trade6
- Coal mining - coal companies.5
- Elections5
- Farms and farming.5
- Genealogy5
- Iron furnaces and iron industry.5
- Agriculture 4
- Gas industry4
- Politicians -- United States4