A-Wn-ms-Mus.Hs.15496: Composer name in ms = 'Petrus de [la] Rue' ('la' written in musical notation) / Title as in ms = 'Missa de Sancta Anna' / Kyrie I: 'Tenor': 'felix anna' (red ink) / Pleni: 'Tenor': 'Nolite fieri sicut equus et mulus i[n]q[ui]bus no[n] est i[n]tellec[t]us / [Superius]: 'Benedictus tacet'; 'Contr[atenor]': 'Cantantes licet usque minas via ledit eamus'; 'Tenor' and 'Bassus': 'Duo' / In nomine: [Superius]: 'Duo'
D-Ju-ms-7: Incomplete in this source / Kyrie I: Only [Contratenor] and [Bassus] since the left page is missing / Pleni: 'Teuma': 'Tenor pleni tacet' / Benedictus: [Superius] and 'Cont[ratenor]': 'Benedictus tacet'; 'Bassus': 'Duo' / In nomine: 'Tenor': 'Duo'
E-MO-ms-773: Two original folios now missing between fol. 1 and 2; one original folio now missing between fol. 9 and 10 / Kyrie I absent due to lost page; Christe incomplete: only 'Contra[tenor]' and 'Bassus'; Kyrie II incomplete: only [Superius] and 'Tenor' / Et in terra: Scraps of the 'Contra[tenor]' and [Superius] part only / Qui tollis: incomplete / Pleni: 'Tenor tacet'; incomplete due to torn out right page / Osanna: absent / [Superius]: 'Benedictus tacet'; 'Tenor' and 'Baricanor': 'Duo'; 'Cont[ra]te[nor]': 'Benedictus - In nomine tacent hic' / In nomine: 'Tenor': 'Duo'; 'Baricanor': 'In nomine vim maximam patitur' / Agnus dei - Dona nobis: Incomplete: scrap of fol. 13 left over only