http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-format=Book;f2-subject=Presidents -- United States -- Biography;f3-subject=Historic sites -- United States;smode=advanced) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f1-format%3DBook;f2-subject%3DPresidents%20--%20United%20States%20--%20Biography;f3-subject%3DHistoric%20sites%20--%20United%20States;smode%3Dadvanced Results for your query: docsPerPage=100;f1-format=Book;f2-subject=Presidents -- United States -- Biography;f3-subject=Historic sites -- United States;smode=advanced Thu, 01 Jan 1970 12:00:00 GMT The Presidents: from the inauguration of George Washington to the inauguration of Gerald R. Ford : historic places commemorating the Chief Executives of the United States. United States National Park Service. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The Presidents. United States National Park Service. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT