Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Predecessors_of_the_Pennsylvania_Railroad> . }
- New_Castle_and_Frenchtown_Turnpike_and_Railroad_Company subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- New_Castle_and_Richmond_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- New_Castle_and_Wilmington_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- New_Jersey_Railroad_and_Transportation_Company subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- New_York,_Philadelphia_and_Norfolk_Railroad_(NYP&N) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Newark_and_Delaware_City_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Northern_Central_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Northwestern_Pennsylvania_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Ohio_and_Indiana_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Oil_Creek_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Oil_Creek_and_Allegheny_River_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Ontario_Southern_Railroad_(New_York) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pemberton_and_Hightstown_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania,_New_Jersey_and_New_York_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania,_New_York_and_Long_Island_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania,_Ohio_and_Detroit_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania_Company subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania_Tunnel_and_Terminal_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania_and_Delaware_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania_and_Delaware_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania_and_Rochester_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia,_Bustleton_and_Trenton_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia,_Germantown_and_Chestnut_Hill_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia,_Wilmington_and_Baltimore_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia_and_Bustleton_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia_and_Columbia_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia_and_Erie_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia_and_Trenton_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pittsburg,_Cincinnati_and_St._Louis_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pittsburg_and_Steubenville_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pittsburgh,_Cincinnati,_Chicago_and_St._Louis_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pittsburgh,_Fort_Wayne_and_Chicago_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pittsburgh,_Fort_Wayne_and_Chicago_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pittsburgh,_Virginia_and_Charleston_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pomeroy_and_Newark_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pomeroy_and_State_Line_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Queen_Anne's_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Richmond_and_Covington_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Richmond_and_Miami_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Richmond_and_Miami_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Schuylkill_and_Juniata_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Scotland_and_Mont_Alto_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Sodus_Point_and_Southern_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Southwark_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Spring_Grove,_Avondale_and_Cincinnati_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Steam_into_History subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Steubenville_and_Indiana_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Sunbury_and_Erie_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Toledo,_Cincinnati_and_St._Louis_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Toledo,_Delphos_and_Burlington_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Traverse_City_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Trenton_Delaware_Bridge_Company subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Tyrone_and_Lock_Haven_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Union_Railroad_of_Baltimore subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Union_and_Logansport_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- United_New_Jersey_Railroad_and_Canal_Company subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Vandalia_Railroad_(1905–17) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Warren_and_Franklin_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Warren_and_Tidioute_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Washington_and_Maryland_Line_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Waynesburg_and_Washington_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- West_Chester_Railroad_(1831–1903) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- West_Chester_and_Philadelphia_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Western_New_York_Railway subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Western_New_York_and_Pennsylvania_Railway_(1895–1955) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Western_New_York_and_Pennsylvania_Railway_of_New_York subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Western_New_York_and_Pennsylvania_Railway_of_Pennsylvania subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Williamsport_and_Elmira_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Wilmington_and_Susquehanna_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- York_and_Cumberland_Railroad_(Pennsylvania) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- York_and_Maryland_Line_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Cincinnati_Northern_Railway_(1880–83) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Ohio_and_Pennsylvania_Railroad_(1848–56) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pan_Handle_Railway_(1861–68) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Pennsylvania–Detroit_Railroad subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Philadelphia_and_Delaware_County_Railroad_(1831–36) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Susquehanna_Railroad_(1851–54) subject Category:Predecessors_of_the_Pennsylvania_Railroad.
- Western_New_York_and_Pennsylvania_Railroad_(1887–95) subject Category:Predecessors_of_the_Pennsylvania_Railroad.