Title: Einführung in die gregorianischen Melodien
Subjects: Facsimiles, Gall, Switzerland. Stiftsbibliothek. Mss, Gregorian chants, History and criticism, Manuscripts, Music, Neumes, St. Gall, Switzerland, St. Gall, Switzerland. Stiftsbibliothek, Stiftsbibliothek Sankt Gallen, Switzerland Gall