Railroads 19 Court rules 14 Judges 14 Streets 10 Law reports, digests, etc 9 History 8 Right of way 8 more ... Estate 6 Pollution 5 Taxation 5 Water 5 Divorce records 4 Equity 4 Equity pleading and procedure 4 Law 4 Paper industry 4 Papermaking 4 Public buildings 4 Water-supply 4 Competition, Unfair 3 Electric utilities 3 Land titles 3 Marriage records 3 Pennsylvania--Politics and government--19th century 3 Pensions 3 Real property 3 Salaries, etc 3 African Americans 2 Annotations and citations (Law) 2 Appropriations and expenditures 2 Bonds 2 Bounties, Military 2 Court records 2 Crushed stone industry 2 Estates (Law) 2 Freight 2 Genealogy 2 Islands 2 Lawyers--Pennsylvania--19th century 2 Maintenance and repair 2 less ...