http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Erie (Pa.) -- Commerce) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DErie%20(Pa.)%20--%20Commerce Results for your query: docsPerPage=100;f4-subject=Erie (Pa.) -- Commerce Thu, 01 Jan 1970 12:00:00 GMT Annual report of the trade and commerce of Erie, Pa. Erie (Pa.) Board of Trade., Benson, Douglas. 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 Proceedings of the Rail-Road Convention assembled at Harrisburg, March 6, 1838. Railroad Convention (March 6, 1838 : Harrisburg, Pa.). 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