http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;expand=subject;f1-format=Article;f2-subject=Natural history -- Michigan;smode=advanced) http://norton.wrhs.org/collections/search?docsPerPage%3D100;expand%3Dsubject;f1-format%3DArticle;f2-subject%3DNatural%20history%20--%20Michigan;smode%3Dadvanced Results for your query: docsPerPage=100;expand=subject;f1-format=Article;f2-subject=Natural history -- Michigan;smode=advanced Thu, 01 Jan 1970 12:00:00 GMT Natural history: The following extracts relative to the natural history of Michigan are taken from a lecture delivered before the Detroit Lyceum. Schoolcraft, Henry Rowe, 1793-1864 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