http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f276-subject=Cycles) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f276-subject%3DCycles Results for your query: docsPerPage=100;f276-subject=Cycles Thu, 01 Jan 1970 12:00:00 GMT The periodic law. Leakin, George Armistead, b. 1818 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 Reports of the conferences on cycles. Carnegie Institution of Washington 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 cycles of American history. Schlesinger, Arthur Meier, 1917- 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