http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-format=Book;f6-subject=Aeronautics -- United States -- History;f7-subject=Aircraft industry -- United States -- History) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-format%3DBook;f6-subject%3DAeronautics%20--%20United%20States%20--%20History;f7-subject%3DAircraft%20industry%20--%20United%20States%20--%20History Results for your query: docsPerPage=100;f5-format=Book;f6-subject=Aeronautics -- United States -- History;f7-subject=Aircraft industry -- United States -- History Thu, 01 Jan 1970 12:00:00 GMT U.S. civil aircraft. Juptner, Joseph P. 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 U.S. civil aircraft. Juptner, Joseph P. 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 Lawson, aircraft industry builder. Lawson, Alfred W. (Alfred William), 1869-1954, Humanity Publishing Company 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