Subjects
- Oil and Gas Industry and Fields.1
- Patrons of Husbandry.1
- Petroleum industry and trade1
- Politics and government.2
- Railroads - Allegheny Valley Railroad.1
- Railroads - Chicago, Rock Island, and Pacific Railroad.1
- Rivers and river valleys.1
- Schools1
- Schools. SEE ALSO Academies1
- Slaves and slavery.1
- Steamboats2
- Surveyors and surveying.1
- Teachers1
- Travel accounts.1
- Turnpikes. SEE ALSO Roads.1