http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-language=English;f6-realSubject=Whistling) https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f5-language%3DEnglish;f6-realSubject%3DWhistling Results for your query: docsPerPage=100;f5-language=English;f6-realSubject=Whistling 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