http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f8-subject=Electric utilities -- Pennsylvania -- Philadelphia) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f8-subject%3DElectric%20utilities%20--%20Pennsylvania%20--%20Philadelphia Results for your query: docsPerPage=100;f8-subject=Electric utilities -- Pennsylvania -- Philadelphia Thu, 01 Jan 1970 12:00:00 GMT Electric service in Philadelphia, since 1881. Liversidge, Horace Preston, 1878-, Newcomen Society in North America https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT