V-CVbav-ms-Capp.Sist.41: Composer name in ms (index) = 'Okeguam' / Title as in ms (index) = 'M[issa] Quarti toni' / [Contratenor]: 'Et incarnatus tacet' / [Bassus]: 'Qui venit tacet'
V-CVbav-ms-Capp.Sist.63: Composer name in ms = 'Jo Okeghem' / 'Con[traten]or': 'Et incarnatus tacet' / Crucifixus: [Superius]: 'Duo' / [Superius] and [Contratenor]: 'Benedictus tacet' / [Bassus]: 'Qui venit tacet' / [Superius] and 'Tenor': 'Ut Osanna; [Contratenor]: 'In no[m]i[n]e' tacet; 'Osanna ut supra'
V-CVbav-ms-Chig.C.VIII.234: Composer name in ms (index) and in ms = 'Okeghem' / Title as in ms (index) = 'Missa mi mi' / Kyrie: 'Tenor': 'My my' (red ink) / Et incarnatus: [Contratenor]: 'Et incarnatus tacetur' / Crucifixus: 'Tenor': 'Crucifixus tacet'; [Superius] and [Contratenor]: 'Duo' / Qui venit: 'Osanna ut supra'
