http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f10-realSubject=Vocal duets;f11-realSubject=Popular music;f7-language=English;f9-realSubject=Vaudeville) https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f10-realSubject%3DVocal%20duets;f11-realSubject%3DPopular%20music;f7-language%3DEnglish;f9-realSubject%3DVaudeville Results for your query: docsPerPage=100;f10-realSubject=Vocal duets;f11-realSubject=Popular music;f7-language=English;f9-realSubject=Vaudeville Thu, 01 Jan 1970 12:00:00 GMT The old grey mare. https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.80041.metsmods.xml https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.80041.metsmods.xml Thu, 01 Jan 1925 12:00:00 GMT