Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 131rSequence: 2Full text: Si iniquitates observaveris domine domine quis sustinebitFeast: Dom. 25 p. Pent.Office: MASSGenre: OfVPosition: 02Cantus ID: g01257bImage link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0131R.h…