Bible
Illustrations

The grandest medieval Bibles were illuminated manuscripts in which the text is supplemented by the addition of decoration, such as decorated initials, borders (marginalia) and miniature illustrations. Up to the 12th century, most manuscripts were produced in monasteries in order to add to the library or after receiving a commission from a wealthy patron. Larger monasteries often contained separate areas for the monks who specialized in the production of manuscripts called a scriptorium, where "separate little rooms were assigned to book copying; they were situated in such a way that each scribe had to himself a window open to the cloister walk." By the 14th century, the cloisters of monks writing in the scriptorium started to employ laybrothers from the urban scriptoria, especially in Paris, Rome and the Netherlands. Demand for manuscripts grew to an extent that the Monastic libraries were unable to meet with the demand, and began employing secular scribes and illuminators. These individuals often lived close to the monastery and, in certain instances, dressed as monks whenever they entered the monastery, but were allowed to leave at the end of the day. A notable example of an illuminated manuscript is the Book of Kells, produced circa the year 800 containing the four Gospels of the New Testament together with various prefatory texts and tables.

The manuscript was "sent to the rubricator, who added (in red or other colours) the titles, headlines, the initials of chapters and sections, the notes and so on; and then – if the book was to be illustrated – it was sent to the illuminator." In the case of manuscripts that were sold commercially, the writing would "undoubtedly have been discussed initially between the patron and the scribe (or the scribe's agent,) but by the time that the written gathering were sent off to the illuminator there was no longer any scope for innovation."
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