http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f77-subject=Street-railroads -- Pennsylvania -- Philadelphia) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f77-subject%3DStreet-railroads%20--%20Pennsylvania%20--%20Philadelphia Results for your query: docsPerPage=100;f77-subject=Street-railroads -- Pennsylvania -- Philadelphia Thu, 01 Jan 1970 12:00:00 GMT Philadelphia's answer to the traction question. Mitten, Thomas Eugene, 1865- 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 The street railway system of Philadelphia: its history and present condition. Speirs, Frederic W. (Frederic William), 1867-1905 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