http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;smode=simple;subject=Fortification, Field;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;smode%3Dsimple;subject%3DFortification,%20Field;subject-join%3Dexact Results for your query: docsPerPage=100;smode=simple;subject=Fortification, Field;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Field entrenchments: spadework for riflemen, hasty fire cover, fire trenches, communications, concealment, obstruction, shelters. Engineer of the Imperial British General Staff., Solano, E. John. 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 Hand-book of field fortifications and artillery: also manual for light and heavy artillery. Vielâe, Egbert Ludovickus, 1825-1902 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