%0 Microform %0 Music score %E Stiftsbibliothek Sankt Gallen. 380 %E Gregorian Chant Manuscript Collection (University of Chicago. Library) %D 1900 %G Latin %B Gregorian Chant Manuscript Collection (University of Chicago. Library) %T [Troper and Sequentiary from Saint-Gall, 11th century (Gregorian chant)].