V-CVbav-ms-Capp.Sist.17: Composer name in ms (index) and in ms = 'Gascongne' / Title as in ms (index) = 'Missa pourquoy no[n]' / Kyrie I: [Tenor]: 'Pour quoy non' / [Tenor] and [Bassus]: 'Crucifixus tacet'; [Superius] and [Contratenor]: 'Duo / [Superius]: 'Et resurrexit tacet' / [Superius] and [Contratenor]: 'Pleni tacet' / [Tenor]: 'Benedictus tacet' / Agnus II: [Tenor] and [Bassus]: 'Agnus tacet'
V-CVbav-ms-Pal.lat.1982: Composer name in ms = 'Gascongne' / Crucifixus: 'Duo' / 'Et resurrexit non surrexit' / 'Pleni tacet' / Agnus III: 'Quinta pars' on fol. 121r
