http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f6-subject=Metropolitan Opera (New York, N.Y.)) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f6-subject%3DMetropolitan%20Opera%20(New%20York,%20N.Y.) Results for your query: docsPerPage=100;f6-subject=Metropolitan Opera (New York, N.Y.) Thu, 01 Jan 1970 12:00:00 GMT Annual grand opera season: the Metropolitan Opera Company of New York ... Public Auditorium, Cleveland. Cleveland Metropolitan Opera, Cleveland Metropolitan Opera 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 Northern Ohio Opera Association presents Metropolitan Opera: Metropolitan Opera Association, Inc., Rudolf Bing, General Manager. Northern Ohio Opera Association, Metropolitan Opera (New York, N.Y.) 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