http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f28-subject=Anthracite coal) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f28-subject%3DAnthracite%20coal Results for your query: docsPerPage=100;f28-subject=Anthracite coal Thu, 01 Jan 1970 12:00:00 GMT On the origin of bitumenous and anthracite coal. Whittlesey, Charles, 1808-1886 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