http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f176-subject=Thread) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f176-subject%3DThread Results for your query: docsPerPage=100;f176-subject=Thread Thu, 01 Jan 1970 12:00:00 GMT A spool of thread & how it is made. Clark, Charles Hopkins. 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