http://www.rssboard.org/rss-specification 720 XTF Search Results (f1-format=Book;expand=subject;f2-subject=United States. -- Railroad Administration -- Bibliography) http://catalog.wrhs.org/collections/search?f1-format%3DBook;expand%3Dsubject;f2-subject%3DUnited%20States.%20--%20Railroad%20Administration%20--%20Bibliography Results for your query: f1-format=Book;expand=subject;f2-subject=United States. -- Railroad Administration -- Bibliography Thu, 01 Jan 1970 12:00:00 GMT United States Railroad Administration publications: a bibliography. Association of American Railroads Bureau of Railway Economics. Library., Richardson, Helen R. (Helen Ruth), 1891- 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