http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Television broadcasting -- Standards -- United States) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DTelevision%20broadcasting%20--%20Standards%20--%20United%20States Results for your query: docsPerPage=100;f277-subject=Television broadcasting -- Standards -- United States Thu, 01 Jan 1970 12:00:00 GMT The television code of the National Association of Radio and Television Broadcasters: effective March 1, 1952. National Association of Radio and Television Broadcasters (U.S.) https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT