http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-realSubject=Polkas;f4-realSubject=Birds;f5-realSubject=Popular instrumental music) https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f1-realSubject%3DPolkas;f4-realSubject%3DBirds;f5-realSubject%3DPopular%20instrumental%20music Results for your query: docsPerPage=100;f1-realSubject=Polkas;f4-realSubject=Birds;f5-realSubject=Popular instrumental music Thu, 01 Jan 1970 12:00:00 GMT Pretty Dick polka. https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.79465.metsmods.xml https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.79465.metsmods.xml Thu, 01 Jan 1920 12:00:00 GMT