Agnus Dei, (Lamb of God,)
qui tollis (who takes)
peccata (the sins of)
mundi, (the world,)
miserere (have mercy)
nobis. (upon us.)

The source we used:
"Sixteenth-century bicinia a complete edition of Munich, Bayerishe Staatsbibliothek, Mus. Ms. 260" edited by Bruce Bellingham and Edward G.Evans

Bicinium no.3
[ Ссылка ]

About Josquin des Prez
[ Ссылка ]
(We should neither 100% rely on wikipedia, nor underestimate it...)

"Agnus Dei" from "Missa Malheur me bat",
[Josquin des Prez]: Wien, Österreichische Nationalbibliothek Ms. 18832, [c.1530] 89; Heyden, Sebald. "Musicae, Id est, Artis Canendi Libri Duo." autor Sebaldus Heyden. Cum privillego Imp. ad sexennlum. Norimbergae apud loh. Petreium, Anno salutis M.D.XXXVII, p. 78; Glareanus, Heinrich. "Dodecachordon". Basileae per Henricum Petri / Mense Septembri Anno Post Virginis Partum / M.D.XLVII, p.450

Image at the end: "Agnus Dei" by Francisco de Zurbarán (1598-1664)

[ Ссылка ]
[ Ссылка ]
[ Ссылка ]

свернуть