http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f173-subject=Ambrotype) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f173-subject%3DAmbrotype Results for your query: docsPerPage=100;f173-subject=Ambrotype Thu, 01 Jan 1970 12:00:00 GMT Union cases: a collector's guide to the art of America's first plastics. Krainik, Clifford., Krainik, Michele., Walvoord, Carl. 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