http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Aviators) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DAviators Results for your query: docsPerPage=100;f277-subject=Aviators Thu, 01 Jan 1970 12:00:00 GMT Air service medical manual: War department. Air service. Division of military aeronautics, Washington, D. C. United States War Dept. Division of Military Aeronautics. 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