http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=World War, 1914-1918 -- Naval operations -- Submarine;smode=simple;subject=World War, 1914-1918 -- Aerial operations;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DWorld%20War,%201914-1918%20--%20Naval%20operations%20--%20Submarine;smode%3Dsimple;subject%3DWorld%20War,%201914-1918%20--%20Aerial%20operations;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=World War, 1914-1918 -- Naval operations -- Submarine;smode=simple;subject=World War, 1914-1918 -- Aerial operations;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Submarines and zeppelins in warfare and outrage. Hurd, Archibald SpicerSir, 1869- 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 and submarines: the story of the invention, development, and present day uses of war's newest weapons. Abbot, Willis J. (Willis John), 1863-1934 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 Flying, submarining and mine sweeping. Anderson, Jane., Bruce, Gordon. 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