Subjects
- Coal mining.[remove]35
- Politics and government.16
- Railroads16
- Account books11
- Lumber trade9
- Lawyers - letters and papers.7
- Coal mining - coal companies.6
- Elections6
- Farms and farming.6
- Genealogy6
- Petroleum industry and trade6
- Agriculture5
- Iron furnaces and iron industry.5
- Politicians -- United States5
- Rivers and river valleys.5