http://www.rssboard.org/rss-specification 720 http://norton.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DHistory;f2-subject%3DShipping%20--%20Great%20Lakes%20(North%20America)%20--%20History;f3-format%3DBook;smode%3Dadvanced;subject%3DHistory;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=History;f2-subject=Shipping -- Great Lakes (North America) -- History;f3-format=Book;smode=advanced;subject=History;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT 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