Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 172vSequence: 2Full text: Laetabitur justus*Feast: AdrianiOffice: MASSGenre: InCantus ID: g01294Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0172V.h…