http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;smode=simple;subject=Airplanes -- Recognition;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;smode%3Dsimple;subject%3DAirplanes%20--%20Recognition;subject-join%3Dexact Results for your query: docsPerPage=100;smode=simple;subject=Airplanes -- Recognition;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Aircraft recognition. United States Office of the Chief of Naval Operations. Aviation Training 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 A field guide to airplanes of North America. Montgomery, M. R., Foster, Gerald L. 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 Recognition pictorial manual. United States Navy Department. Bureau of Aeronautics. Training 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 Aircraft spotters' guide. Hartney, Harold Evans, 1888-1945, National Aeronautics 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 Aircraft recognition for the ground observer. United States Department of the Air Force, 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