http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f63-subject=Amazon River Valley) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f63-subject%3DAmazon%20River%20Valley Results for your query: docsPerPage=100;f63-subject=Amazon River Valley Thu, 01 Jan 1970 12:00:00 GMT Exploration of the valley of the Amazon. Herndon, William Lewis, 1813-1857, Gibbon, Lardner., United States Navy Dept. 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