http://www.rssboard.org/rss-specification 720 https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f2-realSubject%3DPopular%20music%20--%20Russia%20(Federation);f4-realSubject%3DSongs%20(Medium%20voice)%20with%20orchestra;f5-series%3DEdison%20Blue%20Amberol;f6-language%3DRussian;f7-realSubject%3DPopular%20music%20--%201921-1930 Results for your query: docsPerPage=100;f2-realSubject=Popular music -- Russia (Federation);f4-realSubject=Songs (Medium voice) with orchestra;f5-series=Edison Blue Amberol;f6-language=Russian;f7-realSubject=Popular music -- 1921-1930 Thu, 01 Jan 1970 12:00:00 GMT https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.78603.metsmods.xml https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.78603.metsmods.xml Wed, 01 Jan 1913 12:00:00 GMT