Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 151rSequence: 2Full text: Justorum animae*Feast: Oct. Petri, PauliOffice: MASSGenre: GrCantus ID: g00038Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0151R.h…