Business Genre Community, Libraries Description Collection of PA History and government affairs; genealogy, PA publications; tours available Website https://www.statelibrary.pa.gov/Pages/default.aspx Address 400 North Street Commonwealth Keystone Building Harrisburg, PA 17120 County Dauphin Business Phone Number 717-787-3169 Accessibility Parking (2-hr limit), main entranceCheck with library staff for assistance in the reading rooms. Other Information Mailing Address:Office of Commonwealth LibrariesBureau of State Library333 Market StreetHarrisburg, PA 17126-4440 Age Group Early Childhood, School Age, Adult