He added illuminations throughout the missal, which consists of 658 vellum folios. Generally, quartos have more squarish proportions than folios or octavos. Today, it consists of 340 vellum leaves, or folios, totaling 680 pages. The extant folios are gathered into 38 quires. The manuscript consists of 123 surviving folios with 23 inserts. Almost all folios are numbered at recto, bottom left. This manuscript consists of nine folios with Spanish, Latin, and ciphered Italian texts. Some folios are thicker than the usual parchment thickness, such as folios 42 and 47. Special Collections also holds copies of the second, third and fourth folios. These 82 folios comprise roughly half of the Quran. There were also numerous folios of drawings. Many of the folios survive in fragments. It is a picture book Bible consisting of 46 surviving folios. None is complete and many contain only a few folios apiece. Tengnagel added numbers to the folios and the chapters.