http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Langley Research Center) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DLangley%20Research%20Center Results for your query: docsPerPage=100;f4-subject=Langley Research Center Thu, 01 Jan 1970 12:00:00 GMT Airborne trailblazer. Wallace, Lane E., 1961-, United States National Aeronautics and Space Administration. History Office. 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