Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 031vSequence: 2Full text: Haec dies quam fecit dominus exsultemus et laetemur in eaFeast: Sabbato in AlbisOffice: MASSGenre: OfVPosition: 01Cantus ID: g01047bImage link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0031V.h…