http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Airplane racing -- United States -- Chronology) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DAirplane%20racing%20--%20United%20States%20--%20Chronology Results for your query: docsPerPage=100;f4-subject=Airplane racing -- United States -- Chronology Thu, 01 Jan 1970 12:00:00 GMT American racing planes and historic air races. Kinert, Reed. 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