Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 237vSequence: 11Full text: Beatus vir qui timet*Office: MASSGenre: GrCantus ID: g01291Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0237V.h…