http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f74-subject=Statistics United States) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f74-subject%3DStatistics%20United%20States Results for your query: docsPerPage=100;f74-subject=Statistics United States Thu, 01 Jan 1970 12:00:00 GMT Historical statistics of the United States, colonial times to 1970. United States Bureau of the Census. 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