http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Railroads -- Pennsylvania -- Timetables) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DRailroads%20--%20Pennsylvania%20--%20Timetables Results for your query: docsPerPage=100;f277-subject=Railroads -- Pennsylvania -- Timetables Thu, 01 Jan 1970 12:00:00 GMT General scheme of Pennsylvania. United States Railway Mail Service., Schardt, P. J. 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