Subjects
- Frontier and pioneer life1
- Genealogy3
- German immigrants - Pennsylvania Germans.1
- Henry v. Pierpoint1
- Iron furnaces and iron industry.3
- Labor organization. SEE ALSO Coal mining - labor1
- Land records and papers.1
- Maps.1
- Methodism1
- Mexican War, 1846-18482
- Mills and mill-work2
- Ministers - letters and papers.1
- Pennsylvania Dutch1
- Petroleum industry and trade1
- Politics and government.1