The Gospel Book, which has also been preserved, was used during Mass. It contains the four Gospels that recount the life of Christ, from the Annunciation to the Passion. These four texts form the foundation of the New Testament; they serve as witnesses to Christ’s life and his miracles. These writings provide moral examples and serve as the cornerstone of Christianity.

Hugo d'Oignies, Gospel Book of Oignies, circa 1229–1234, illuminated parchment, 315 mm x 22 mm. Coll. Fondation Société archéologique de Namur. (Exhibited at TreM.a, Musée des arts anciens du Namurois).