http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Germany. -- Heer. -- Luftstreitkrèafte) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DGermany.%20--%20Heer.%20--%20Luftstreitkrèafte Results for your query: docsPerPage=100;f4-subject=Germany. -- Heer. -- Luftstreitkrèafte Thu, 01 Jan 1970 12:00:00 GMT German aircraft of the First World War. Gray, Peter Laurence., Thetford, Owen, 1923- 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