http://www.rssboard.org/rss-specification 720 XTF Search Results (f2-subject=Railroads;f3-subject=Automobiles) http://catalog.wrhs.org/collections/search?f2-subject%3DRailroads;f3-subject%3DAutomobiles Results for your query: f2-subject=Railroads;f3-subject=Automobiles Thu, 01 Jan 1970 12:00:00 GMT An economic survey of motor vehicle transportation in the United States ... November, 1933. Association of American Railroads Bureau of Railway Economics. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT