Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 174vSequence: 1Full text: Ideoque quod nascetur ex te sanctum vocabitur filius deiFeast: Nativitas MariaeOffice: MASSGenre: OfVPosition: 02Cantus ID: g00533bImage link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0174V.h…