Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 059rSequence: 1Full text: Confirma hoc deus*Feast: Fer. 3 Pent.Office: MASSGenre: OfCantus ID: g01094Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0059R.h…