http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=Ohio imprints 1826;f2-subject=Symmes, John Cleves, -- 1780-1829;smode=simple;subject=Ohio imprints 1826;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DOhio%20imprints%201826;f2-subject%3DSymmes,%20John%20Cleves,%20--%201780-1829;smode%3Dsimple;subject%3DOhio%20imprints%201826;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=Ohio imprints 1826;f2-subject=Symmes, John Cleves, -- 1780-1829;smode=simple;subject=Ohio imprints 1826;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Symmes's theory of concentric spheres: demonstrating that the earth is hollow, habitable within, and widely open about the poles. McBride, James, 1788-1859, Symmes, John Cleves, 1780-1829 http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT