http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f8-subject=Airplanes, Military -- Identification) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f8-subject%3DAirplanes,%20Military%20--%20Identification Results for your query: docsPerPage=100;f8-subject=Airplanes, Military -- Identification Thu, 01 Jan 1970 12:00:00 GMT Aircraft spotters' guide. Hartney, Harold Evans, 1888-1945, National Aeronautics Council (U.S.) https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT