As was the practice then, the durable and valuable vellum pages of several older texts were washed and scraped, to remove their writing, and then used for a medieval prayer book.

• 后来在使用中，一些古老文本的耐用而珍贵的牛皮纸被洗涤和刮擦，清除了上面的文字以用于中世纪的祈祷书。