http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Audio-visual equipment -- Catalogs) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DAudio-visual%20equipment%20--%20Catalogs Results for your query: docsPerPage=100;f4-subject=Audio-visual equipment -- Catalogs Thu, 01 Jan 1970 12:00:00 GMT The Audio-visual equipment directory. National Audio-Visual Association, International Communications Industries Association 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