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Results for your query: docsPerPage=100;f99-subject=HelicoptersThu, 01 Jan 1970 12:00:00 GMTAnything a horse can do: the story of the helicopter. Gregory, Hollingsworth Franklin, 1906-
http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc
http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMTThe helicopters are coming. Macauley, Clinton B. F., 1911-
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http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMTHelicopters. National Aerospace Education Council (U.S.)
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http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMTThe complete book of helicopters. Ahnstrom, D. N.
http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc
http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMTAircraft pocket reference library. Doubleday & Company, Inc
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http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMTRecollections and thoughts of a pioneer: presented at the Wings Club on November 16, 1964, New York City. Sikorsky, Igor Ivan, 1889-1972
http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc
http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMTMissions and milestones: the Boeing Company, Vertol Division. Boeing Company Vertol Division.
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http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrcThu, 01 Jan 1970 12:00:00 GMT