Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 005vSequence: 1Feast: Sabbato Q.T. AdventusOffice: MASSGenre: TrVPosition: 01Cantus ID: g00524aMode: 8Full text: Qui sedes super cherubim appare coram Ephraim Benjamin et Manasse