http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f6-realSubject=Operas;f7-language=English;f8-language=German) https://cylinders.syr.edu/xtf/search?docsPerPage%3D100;f6-realSubject%3DOperas;f7-language%3DEnglish;f8-language%3DGerman Results for your query: docsPerPage=100;f6-realSubject=Operas;f7-language=English;f8-language=German Thu, 01 Jan 1970 12:00:00 GMT Sheet Music Collection. unknown https://cylinders.syr.edu/xtf/view?docId=ead/sheet_music.xml Collection of musical works and publications from many different sources. This includes printed sheet music, bound collections of music, books on music, books of music, opera programs, libretti, opera scores, church bulletins and announcements concerning musical performances, catalogues of music, and periodicals concerning music. https://cylinders.syr.edu/xtf/view?docId=ead/sheet_music.xml Sat, 01 Jan 1842 12:00:00 GMT