http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Railroads -- Crossings) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DRailroads%20--%20Crossings Results for your query: docsPerPage=100;f5-subject=Railroads -- Crossings Thu, 01 Jan 1970 12:00:00 GMT Report of committee on frogs to the Association of American Railroad Superintendents. October 15, 1885. Association of North American Railroad Superintendents 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 Lessons taught by the "careful crossing" campaign. Pennsylvania Railroad Insurance Dept. 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