Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 237rSequence: 13Full text: Vos qui secuti estis*Feast: Comm. unius apostoliOffice: MASSGenre: CmCantus ID: g00102Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0237R.h…