How has the Codex Grandior affected us? From the time of Cassiodorus, copyists and printers have increasingly favored the production of single-volume Bibles. Down to today, having the Bible in this form has made it easier for people to consult it and thereby to benefit from its power in their lives.​—Hebrews 4:12.

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Journey of the Codex Grandior

Vivarium monastery

Rome

Jarrow

Wearmouth

Flavius Magnus Aurelius Cassiodorus was born about 485-490 C.E. into a wealthy family in Calabria, at the southern tip of present-day Italy. He lived during a turbulent period in Italian history when the peninsula was occupied, first by the Goths and then by the Byzantines. When he was about 60 or 70 years of age, Cassiodorus founded the Vivarium monastery and library near his home in Squillace, Calabria.

A Careful Bible Editor

Among Cassiodorus’ prime concerns was the transmission of the Bible. “In Cassiodorus’ view,” writes historian Peter Brown, “all Latin literature was to be mobilized towards transmitting the Scriptures. All the aids previously used so as to read and copy classical texts were to be used in order to understand the Scriptures and to copy them intelligently. Like a newly formed planetary system, Latin culture as a whole was supposed to spin in orbit around the vast sun of the Word of God.”

Cassiodorus gathered translators and grammarians to the Vivarium monastery to collate the entire Bible and presided over the painstaking editorial process. He entrusted the work to only a few learned men. These were to avoid hasty emendation of presumed scribal errors. If there was a question about grammar, ancient Bible manuscripts were to be considered more authoritative than accepted Latin usage. Cassiodorus directed: “Grammatical peculiarities . . . must be preserved, since a text known to be inspired cannot be susceptible to corruption. . . . Biblical methods of expression, metaphor, and idiom must be preserved, even if outlandish by Latin standards, as must also the ‘Hebraic’ forms of proper names.”​—The Cambridge History of the Bible.

The Codex Grandior

The copyists at the Vivarium monastery were commissioned to produce at least three distinct editions of the Bible in Latin. One of these, in nine volumes, probably contained the Old Latin text, a translation that appeared in the late second century. A second edition contained the Latin Vulgate, which Jerome completed about the beginning of the fifth century. The third, the Codex Grandior, meaning “larger codex,” was drawn from three Bible texts. Both of the last two editions brought all the books of the Bible together in a single volume.

It seems that Cassiodorus was the first to produce Latin Bibles in single volumes, designating them pandectae.a He undoubtedly saw the practicality of uniting all the books of the Bible in one volume, thus eliminating the time-consuming process of consulting several volumes.

From Southern Italy to the British Isles

Shortly after Cassiodorus’ death (likely about 583 C.E.), the journey of the Codex Grandior began. At that time, part of the Vivarium library is believed to have been transferred to the Lateran library in Rome. In 678 C.E., the Anglo-Saxon abbot Ceolfrith brought the codex with him to the British Isles on his return from a stay in Rome. It thus came to the twin monasteries of Wearmouth and Jarrow, which were directed by Ceolfrith, in what is now Northumbria, England.

The original Codex Grandior commissioned by Cassiodorus is now lost.