http://www.rssboard.org/rss-specification 720 XTF Search Results (f1-format=Book;expand=subject;f2-subject=Research aircraft -- United States) http://catalog.wrhs.org/collections/search?f1-format%3DBook;expand%3Dsubject;f2-subject%3DResearch%20aircraft%20--%20United%20States Results for your query: f1-format=Book;expand=subject;f2-subject=Research aircraft -- United States Thu, 01 Jan 1970 12:00:00 GMT Airborne trailblazer. Wallace, Lane E., 1961-, United States National Aeronautics and Space Administration. History Office. 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