http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f99-subject=Caves) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f99-subject%3DCaves Results for your query: docsPerPage=100;f99-subject=Caves Thu, 01 Jan 1970 12:00:00 GMT Glaciáeres; or, Freezing caverns. Balch, Edwin Swift, 1856-1927 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 Cave exploration in the Eastern United States: preliminary report. Mercer, Henry Chapman, 1856-1930, University of Pennsylvania Dept. of American and Prehistoric Archaeology., YA Pamphlet Collection (Library of Congress) 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