Subjects
- Farms and farming.1
- Indians of North America1
- Labor1
- Labor organization.1
- Locomotive engineers1
- Lumber industry and timber.1
- Maps.1
- Photographs.1
- Politics and government.1
- Railroad Strike, U.S., 18771
- Railroad workers.[remove]8
- Railroads4
- Railroads - Baltimore and Ohio Railroad.2
- Railroads - Cumberland and Pennsylvania Railroad Company.1
- Railroads - Western Maryland Railroad Company.1