http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f7-subject=Airships -- United States -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f7-subject%3DAirships%20--%20United%20States%20--%20History Results for your query: docsPerPage=100;f7-subject=Airships -- United States -- History Thu, 01 Jan 1970 12:00:00 GMT Sky ships: a history of the airship in the United States Navy. Althoff, William F. 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 When giants roamed the sky: Karl Arnstein and the rise of airships from Zeppelin to Goodyear. Topping, A. Dale (Alanson Dale), 1917-1993, Brothers, Eric, 1958- 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