B-Br-ms-9126: Composer name in ms = 'Allexander' / Incomplete in this source: Kyrie absent / Domine deus: [Superius] and [Contratenor]: 'Duo' / Agnus dei - Miserere: Text in [Superius] contains 'pacem' / Agnus dei: 'Bassus': 'Agnus tacet'
V-CVbav-ms-Chig.C.VIII.234: Composer name in ms (index) = 'Alexa[n]der' / Composer name in ms = 'Allexander' / Title as in ms (index) = 'Missa i[n] myne si[n]' / Title as in ms = 'In myne synn' / Incomplete in this source: Kyrie absent / Domine deus: [Superius] and [Contratenor]: 'duo'
