Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 177rSequence: 1Full text: Ego autem*Feast: Vigilia MatthaeiOffice: MASSGenre: InCantus ID: g01259Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0177R.h…