http://www.rssboard.org/rss-specification 720 XTF Search Results (sort=creator;format=Book;f2-subject=Helicopters) http://catalog.wrhs.org/collections/search?sort%3Dcreator;facet-format%3DBook;f2-subject%3DHelicopters Results for your query: sort=creator;facet-format=Book;f2-subject=Helicopters Thu, 01 Jan 1970 12:00:00 GMT Aircraft pocket reference library. Doubleday & Company, Inc 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 Anything a horse can do: the story of the helicopter. Gregory, Hollingsworth Franklin, 1906- 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 The complete book of helicopters. Ahnstrom, D. N. 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 Helicopters. National Aerospace Education Council (U.S.) 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 The helicopters are coming. Macauley, Clinton B. F., 1911- 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 Missions and milestones: the Boeing Company, Vertol Division. Boeing Company Vertol Division. 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 Recollections and thoughts of a pioneer: presented at the Wings Club on November 16, 1964, New York City. Sikorsky, Igor Ivan, 1889-1972 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