Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 187rSequence: 6Full text: Fidelis servus*Office: MASSGenre: CmCantus ID: g00318Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0187R.h...