Title: Tropen zum Ordinarium missae in St. Gallen
Subjects: Tropus <Liturgischer Gesang>, Messe, Church music, Mass (Music), Sources, Kloster St. Gallen, Church history, Tropes (Music), Manuscripts, Sankt Gallen / Kloster, History, Europe, church history, History and criticism, Gregorian chants, Music, Stiftsbibliothek Sankt Gallen
Places: Switzerland, Saint Gall (Switzerland), Saint Gall
Time periods: 500-1400