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Topical Subjects
- Railroads--Design and construction.1
- Restaurants--Pennsylvania--Jeannette.1
- River boats--Pennsylvania--Pittsburgh.1
- Roads--Pennsylvania--Beallsville.1
- Roads--Pennsylvania--Chesnut Ridge.1
- Roller coasters--Pennsylvania--Jeannette.1
- Schools.1
- Ski lifts--Pennsylvania.1
- Streets--Pennsylvania--Smithfield.1
- Students.1
- Telephone.1
- Toll plazas--Pennsylvania--Addison.1
- Toll plazas--Pennsylvania.1
- Truss bridges--Design and construction.1
- Washington's Expedition to the Ohio, 2nd, 1754.1
- Women.1