Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 154vSequence: 4Full text: Inveni David*Feast: ApollinarisOffice: MASSGenre: GrCantus ID: g01272Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0154V.h…