http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f2-realSubject=Whistling;f3-language=English;f4-realSubject=Birdsongs) https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f2-realSubject%3DWhistling;f3-language%3DEnglish;f4-realSubject%3DBirdsongs Results for your query: docsPerPage=100;f2-realSubject=Whistling;f3-language=English;f4-realSubject=Birdsongs Thu, 01 Jan 1970 12:00:00 GMT Bird imitations. https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.79159.metsmods.xml https://cylinders.syr.edu/xtf/view?docId=metsmods/belfer_cylinders.79159.metsmods.xml Fri, 01 Jan 1915 12:00:00 GMT