http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Military geography) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DMilitary%20geography Results for your query: docsPerPage=100;f4-subject=Military geography Thu, 01 Jan 1970 12:00:00 GMT Air navigation. United States Navy Dept. Bureau of Aeronautics. Training Division. 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