Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 134vSequence: 4Full text: Ego sum vitis vera*Feast: Vitalis, ValeriaeOffice: MASSGenre: CmCantus ID: g02065Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0134V.h…