Subjects
- Railroads[remove]44
- Coal mining.16
- Politics and government.15
- Account books11
- Lawyers - letters and papers.10
- Judges - letters and papers.8
- Lumber trade8
- Transportation8
- Elections7
- Railroads - Baltimore and Ohio Railroad.7
- Diaries and journals.6
- Petroleum industry and trade6
- Rivers and river valleys.6
- Coal mining - coal companies.5
- General stores5