Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 237rSequence: 4Full text: Justus ut palma florebit*Feast: In vigilia unius ApostoliOffice: MASSGenre: GrCantus ID: g01350Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0237R.h…