From Scrolls to Codices

I. The Scroll as Default

In the ancient Mediterranean, the scroll was the standard form for serious literature. Greek and Roman libraries were filled with rolls of papyrus, stored in pigeonholes and identified by tags hanging from their ends. Jewish synagogues read the Torah from scrolls, a practice that continues today. The scroll was dignified, portable in a modest way, and well suited to public reading. A single roll typically held one Gospel or a short letter collection. Longer works required multiple rolls.

The scroll had drawbacks. It was awkward to navigate: finding a particular passage meant rolling and unrolling. It was also wasteful of space, since only one side of the papyrus could be used for writing. For texts that needed to be compared, quoted, or searched, the scroll was a hindrance. These limitations mattered less for poetry or drama, where sequential reading was expected, but they mattered a great deal for law, philosophy, and Scripture.

II. The Invention of the Codex

A codex is made by folding sheets of papyrus or parchment in half and binding them along one edge. The form existed before Christianity. Romans used wooden tablets coated with wax, bound together with leather thongs, for notes and accounts. Julius Caesar is sometimes credited with folding scrolls into parchment notebooks for convenience. Yet no one before the Christians used the codex as the normal vehicle for literary texts.

The earliest surviving Christian manuscripts are already codices. The Rylands Papyrus P52, small as it is, comes from a codex. The Chester Beatty Papyri and Bodmer Papyri are codices. By contrast, surviving non-Christian literary texts from the same period are overwhelmingly scrolls. The contrast is so striking that scholars speak of a Christian “preference” or even “obsession” with the codex. The classic study is Colin H. Roberts and T. C. Skeat, The Birth of the Codex.

III. Why Christians Chose the Codex

Several factors probably converged. The codex allowed a single volume to contain several Gospels or the whole Pauline corpus. It made cross-referencing easier: a reader could flip from Genesis to Isaiah, or from Matthew to Paul, without handling multiple rolls. It was cheaper, since both sides of the sheet could be written on. It was also more discreet and portable, an advantage for a sometimes persecuted minority.

Larry W. Hurtado has emphasized that the codex may also have functioned as a marker of Christian identity. In a world where Jews kept scrolls and pagans read rolls, the codex became a distinguishing badge of the new movement. It signaled that Christians had a different kind of book: not a single national epic but a portable library of Gospel, apostolic letter, and prophecy.

IV. The Technology of Binding

Making a codex required more than folding sheets. Scribes had to calculate how many sheets would form a gathering, or quire. Sew the gatherings together with thread or sinew. And protect the whole with boards and a covering. The outer gatherings bore the most stress, so strong parchment was preferred for the first and last leaves. A spine of leather or linen held the book together and allowed it to open flat.

Papyrus codices were usually constructed from single sheets folded once, producing a quire of two leaves. Parchment codices could be folded multiple times, producing quires of four, eight, sixteen, or more leaves. The great fourth-century Bibles used large quires of fine parchment, ruled with care and written in elegant columns. For the construction details, see the article on the codex.

V. Timeline of Adoption

The evidence suggests a gradual adoption. In the first century, Christians used both scrolls and codices, depending on the text and occasion. By the second century, the codex was clearly preferred for Christian books. By the third century, it was the norm. By the fourth century, the production of complete Bibles in codex form had become a major enterprise of the imperial congregation. The great codices Sinaiticus, Vaticanus, and Alexandrinus represent the technological and theological climax of this development.

VI. Social and Theological Implications

The shift from scroll to codex was not merely a change in format. It changed how Christians read and thought about their Scriptures. A codex encouraged comparison between texts. It supported the practice of proof-texting, in which a verse from one book was read in light of another. It also made it easier to collect a fixed body of writings, a canon, between two covers.

The codex thus reinforced the early Christian conviction that the Hebrew Bible and the apostolic writings formed a coherent witness to Christ. A reader holding a codex of the four Gospels could see them as a unified collection, not four separate scrolls. A reader with a complete Bible could move from the Law to the Prophets to the Psalms to the Gospels to the Epistles, tracing a single story of creation, fall, redemption, and consummation.

“The early Christian adoption of the codex was a revolutionary development in book technology and in the history of Christianity.”. Larry W. Hurtado, The Earliest Christian Artifacts.

VII. Comparison with Jewish and Pagan Practice

Jews continued to use scrolls for Scripture long after Christians had adopted the codex. The Torah scroll, Sefer Torah, remains central to synagogue worship. This difference may reflect different patterns of reading: Christians gathered in private homes and read several books in sequence, while Jews maintained the public lectionary of the synagogue roll. Pagan literary culture also resisted the codex for centuries. The roll retained its prestige as the proper format for poetry, history, and rhetoric.

Eventually the codex conquered the whole book world. By the late Roman Empire, parchment codices dominated both Christian and secular literature. The modern book, with its sewn gatherings and hard covers, is the direct descendant of the early Christian codex. In that sense, the decision made by anonymous believers in the first and second centuries shaped the reading habits of the entire Western world.

Selected Bibliography