Subjects
- Railroads2
- Rivers and river valleys.1
- Salt industry and trade1
- Schools. SEE ALSO Academies2
- Slaves and slavery.2
- Social Security -- United States1
- Strikes - Colorado miners.1
- Strikes -- West Virginia -- Coal miners1
- Strikes and lockouts1
- Taxation1
- Transportation1
- Travel accounts.1
- Turnpikes. SEE ALSO Roads.1
- Union names.5
- Unions - AFGWU.2