Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 268vbSequence: 1Full text: Alleluia Sancte rex Stephane succurre nobis tuis devotis famulis qui de tua semper sollemnitate gaudemusFeast: Stephani, Reg.Office: MASSGenre: AlCantus ID: g02776