http://www.rssboard.org/rss-specification 720 https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f1-series%3DEdison%20Blue%20Amberol;f3-realSubject%3DPopular%20music;f4-realSubject%3DPopular%20music;f5-language%3DEnglish;f6-realSubject%3DVocal%20duets%20with%20orchestra;f7-realSubject%3DLaughter Results for your query: docsPerPage=100;f1-series=Edison Blue Amberol;f3-realSubject=Popular music;f4-realSubject=Popular music;f5-language=English;f6-realSubject=Vocal duets with orchestra;f7-realSubject=Laughter Thu, 01 Jan 1970 12:00:00 GMT https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.79566.metsmods.xml https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.79566.metsmods.xml Sat, 01 Jan 1921 12:00:00 GMT