Parchment codex

Timeline

1. c. 400–800Western Roman Empire · ItalyParchment was superior to papyrus scrolls in durability and double-sided writing; the codex format facilitated indexing and portability, becoming the standard medium for Christian scriptures and administrative documents, with scribal techniques greatly advancing during the Carolingian Renaissance.
2. c. 1011–1150German and French monasteries · GermanyMonastery scriptoria mass-produced illuminated Gospels, psalters, and patristic works, written in Carolingian minuscule with stylized illustrations; parchment codices were the most expensive commodity of knowledge and religious relics of the time.
3. c. 1300–1450Mainz · Rhineland-PalatinateFalling costs of imported paper and the invention of movable-type printing enabled large-scale book production; parchment codices were replaced by printed paper books in practical fields, yet long maintained a prestigious status in liturgical and collecting spheres.