Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 137vSequence: 1Full text: Nos autem gloriari oportet in cruce domini nostri Jesu Christi alleluiaFeast: Inventio CrucisOffice: MASSGenre: CmCantus ID: g02486.1Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0137V.h…