Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 093rSequence: 2Full text: Avertantur retrorsum*Feast: Dom. 12 p. Pent.Office: MASSGenre: InVPosition: 01Cantus ID: g02026aImage link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0093R.h...