Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 058rSequence: 5Full text: Attendite popule meus legem meam*Feast: Fer. 3 Pent.Office: MASSGenre: InVPosition: 01Cantus ID: g02104aImage link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0058R.h…