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Title: Codex  
Author: World Heritage Encyclopedia
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Subject: History of the book, Rylands Library Papyrus P52, Jerome, Scroll, Mesoamerican codices
Collection: Books by Type, Manuscripts by Type
Publisher: World Heritage Encyclopedia


The Codex Gigas, 13th century, Bohemia.

A codex (from the Latin caudex for "trunk of a tree" or block of wood, book; plural codices) is a book constructed of a number of sheets of paper, vellum, papyrus, or similar materials, with hand-written content.[1] The book is usually bound by stacking the pages and fixing one edge, and using a cover thicker than the sheets. Some codices are continuously folded like a concertina. The alternative to paged codex format for a long document is the continuous scroll. Examples of folded codices include the Maya codices. Sometimes people use the term for a book-style format, including modern printed books but excluding folded books.

The Romans developed the form from wooden writing tablets. The codex's gradual replacement of the scroll—the dominant book form in the ancient world—has been called the most important advance in book making before the invention of printing.[2] The codex transformed the shape of the book itself, and offered a form that lasted for centuries.[3] The spread of the codex is often associated with the rise of Christianity, which adopted the format for use with the Bible early on.[4] First described by the 1st-century AD Roman poet Martial, who praised its convenient use, the codex achieved numerical parity with the scroll around AD 300,[5] and had completely replaced it throughout the now Christianised Greco-Roman world by the 6th century.[6]


  • Advantages 1
  • History 2
  • From scrolls to codex 3
  • Preparing a codex 4
    • Preparation of the pages for writing 4.1
    • Forming the quire 4.2
  • See also 5
  • References and sources 6
  • External links 7


Codices largely replaced scrolls similar to this.

The codex provides considerable advantages over other book formats:

The change from rolls to codices roughly coincides with the transition from papyrus to parchment as the preferred writing material, but the two developments are unconnected. In fact, any combination of codices and scrolls with papyrus and parchment is technically feasible and common in the historical record.[8]

The codex began to replace the scroll almost as soon as it was invented. In Egypt, by the fifth century, the codex outnumbered the scroll by ten to one based on surviving examples. By the sixth century, the scroll had almost vanished as a medium for literature.[9]

Technically, even modern paperbacks are codices, but publishers and scholars reserve the term for manuscript (hand-written) books produced from Late antiquity until the Middle Ages. The scholarly study of these manuscripts from the point of view of the bookbinding craft is called codicology. The study of ancient documents in general is called paleography.


Reproduced Roman-style wax tablet, from which the codex evolved

The Romans used precursors made of reusable wax-covered tablets of wood for taking notes and other informal writings. Two ancient polyptychs, a pentatych and octotych, excavated at Herculaneum used a unique connecting system that presages later sewing on of thongs or cords.[10] Julius Caesar may have been the first Roman to reduce scrolls to bound pages in the form of a note-book, possibly even as a papyrus codex.[11] At the turn of the 1st century AD, a kind of folded parchment notebook called pugillares membranei in Latin became commonly used for writing in the Roman Empire.[12] This term was used by the Classical Latin poet, Martial. Martial used the term for gifts of literature that Romans exchanged during the festival of Saturnalia. According to T.C. Skeat, “…in at least three cases and probably in all, in the form of codices," and he theorized that this form of notebook was invented in Rome and then “…must have spread rapidly to the Near East…”[13] In his discussion of one of the earliest parchment codices to survive from Oxyrhynchus in Egypt, Eric Turner seems to challenge Skeat’s notion when stating, “…its mere existence is evidence that this book form had a prehistory”, and that “early experiments with this book form may well have taken place outside of Egypt.”[14] Early codices of parchment or papyrus appear to have been widely used as personal notebooks, for instance in recording copies of letters sent (Cicero Fam. 9.26.1). The parchment notebook pages were commonly washed or scraped for re-use (called a palimpsest) and consequently, writings in a codex were often considered informal and impermanent.

As early as the early 2nd century, there is evidence that a codex—usually of papyrus—was the preferred format among Christians. In the library of the Villa of the Papyri, Herculaneum (buried in AD 79), all the texts (of Greek literature) are scrolls (see Herculaneum papyri). However, in the Nag Hammadi library, hidden about AD 390, all texts (Gnostic Christian) are codices. Despite this comparison, a fragment of a non-Christian parchment Codex of Demosthenes, De Falsa Legatione from Oxyrhynchus in Egypt demonstrates that the surviving evidence is insufficient to conclude whether Christians played a major or central role in the development of early codices—or if they simply adopted the format to distinguish themselves from Jews.

The earliest surviving fragments from codices come from Egypt, and are variously dated (always tentatively) towards the end of the 1st century or in the first half of the 2nd. This group includes the Rylands Library Papyrus P52, containing part of St John's Gospel, and perhaps dating from between 125 and 160.[15]

Early medieval bookcase containing about ten codices depicted in the Codex Amiatinus (ca. 700)

In Western culture, the codex gradually replaced the scroll. Between the 4th century, when the codex gained wide acceptance, and the Carolingian Renaissance in the 8th century, many works that were not converted from scroll to codex were lost. The codex improved on the scroll in several ways. It could be opened flat at any page for easier reading, pages could be written on both front and back (recto and verso), and the protection of durable covers made it more compact and easier to transport.

The ancients didn't use codices the way modern people might expect. They stored codices with spines facing inward, and not always vertically. The spine could be used for the incipit, before the concept of a proper title developed in medieval times. Though most early codices were made of papyrus, papyrus was fragile and supplies from Egypt, the only place where papyrus grew and was made into paper, became scanty. The more durable parchment and vellum gained favor, despite the cost.

The codices of pre-Columbian Mesoamerica had the same form as the European codex, but were instead made with long folded strips of either fig bark (amatl) or plant fibers, often with a layer of whitewash applied before writing. New World codices were written as late as the 16th century (see Maya codices and Aztec codices). Those written before the Spanish conquests seem all to have been single long sheets folded concertina-style, sometimes written on both sides of the local amatl paper.

In East Asia, the scroll remained standard for far longer than in the Mediterranean world. There were intermediate stages, such as scrolls folded concertina-style and pasted together at the back and books that were printed only on one side of the paper.[16]

Judaism still retains the Torah scroll, at least for ceremonial use.

From scrolls to codex

Among the experiments of earlier centuries, scrolls were sometimes unrolled horizontally, as a succession of columns. (The Dead Sea Scrolls are a famous example of this format.) This made it possible to fold the scroll as an accordion. The next step was then to cut the folios, sew and glue them at their centers, making it easier to use the papyrus or vellum recto-verso as with a modern book. Traditional bookbinders would one of these assembled, trimmed and curved folios a codex to differentiate it from the case, which we now know as hard cover. Binding the codex was clearly a different procedure from binding the case.

Preparing a codex

The first stage in creating a codex is to prepare the animal skin. The skin is washed with water and lime, but not together, and it has to soak in the lime for a couple of days.[17] The hair is removed and the skin is dried by attaching it to a frame called a herse.[18] The parchment maker attaches the skin at points around the circumference. The skin attaches to the herse by cords. To prevent tearing, the maker wraps the area of the skin the cord attaches to around a pebble called a pippin.[18] After completing that, the maker uses a crescent shaped knife called a lunarium or lunellum to clean any surviving hairs. Once the skin completely dries, the maker gives it a deep clean and processes it into sheets. The number of sheets from a piece of skin depends on the size of the skin and the final product dimensions. For example, the average calfskin can provide three and half medium sheets of writing material. This can be doubled when folded into two conjoint leaves, also known as a bifolium. Historians have found evidence of manuscripts where the scribe wrote down the medieval instructions now followed by modern membrane makers.[19] Defects can often be found in the membrane, whether from the original animal, human error during the preparation period, or from when the animal was killed. Defects can also appear during the writing process. Unless it is kept in perfect condition, defects can appear later in the manuscript’s life as well.

Preparation of the pages for writing

Manuscript, Codex Manesse. Most manuscripts were ruled with horizontal lines that served as the baselines on which the text was entered.

First the membrane must be prepared. The first step is to set up the quires. The quire is a group of several sheets put together. Raymond Clemens and Timothy Graham point out, in "Introduction to Manuscript Studies", that “the quire was the scribe’s basic writing unit throughout the Middle Ages”.[18] They note “Pricking is the process of making holes in a sheet of parchment (or membrane) in preparation of it ruling. The lines were then made by ruling between the prick marks...The process of entering ruled lines on the page to serve as a guide for entering text. Most manuscripts were ruled with horizontal lines that served as the baselines on which the text was entered and with vertical bounding lines that marked the boundaries of the columns.”[18]

Forming the quire

The scribe, usually a monk, decided what his quire (four folded sheets) would look like by arranging the hair and flesh sides of the sheets. From the Carolingian period and all the way up to the Middle Ages, different styles of folding the quire came about. For example, in mainland Europe throughout the Middle Ages, the quire was put into a system in which each side folded on to the same style. The hair side met the hair side and the flesh side to the flesh side. This was not the same style used in the British Isles, where the membrane was folded so that it turned out an eight leaf quire, with single leaves in the third and sixth positions.[18] The next stage was tacking the quire. Tacking is when the scribe would hold together the leaves in quire with thread. Once threaded together, the scribe would then sew a line of parchment up the “spine” of the manuscript, as to protect the tacking.

See also

References and sources

  1. ^ Oxford English Dictionary, 2nd ed: Codex: "a manuscript volume"
  2. ^ Roberts & Skeat 1983, p. 1
  3. ^ Lyons, M., (2011). Books: A Living History, London: Thames & Hudson, p. 8
  4. ^ Roberts & Skeat 1983, pp. 38−67
  5. ^ "Codex" in The Oxford Dictionary of Byzantium, Oxford University Press, New York & Oxford, 1991, p. 473. ISBN 0195046528
  6. ^ Roberts & Skeat 1983, p. 75
  7. ^ Roberts & Skeat 1983, pp. 45−53
  8. ^ Roberts & Skeat 1983, p. 5
  9. ^ Roberts, Colin H., and Skeat, T.C. (1987), The Birth of the Codex. London: Oxford University Press for the British Academy, p. 75.
  10. ^
  11. ^ During the Gallic Wars; Suet. Jul. 56.6; cf.
  12. ^
  13. ^
  14. ^
  15. ^ Turner The Typology of the Early Codex, U Penn 1977, and Roberts & Skeat The Birth of the Codex (Oxford University 1983). From Robert A Kraft (see link): "A fragment of a Latin parchment codex of an otherwise unknown historical text dating to about 100 CE was also found at Oxyrhynchus (P. Oxy. 30; see Roberts & Skeat 28). Papyrus fragments of a "Treatise of the Empirical School" dated by its editor to the centuries 1–2 CE is also attested in the Berlin collection (inv. # 9015, Pack\2 # 2355)—Turner, Typology # 389, and Roberts & Skeat 71, call it a "medical manual.""
  16. ^ International Dunhuang Project—Several intermediate Chinese bookbinding forms from the 10th century.
  17. ^
  18. ^ a b c d e Clemens, Raymond, and Timothy Graham. Introduction to Manuscript Studies. Ithaca: Cornell University Press, 2008.
  19. ^ Thompson, Daniel. "Medieval Parchment-Making." The Library 16, no. 4 (1935).
  • David Diringer, The Book Before Printing: Ancient, Medieval and Oriental, Courier Dover Publications, New York 1982, ISBN 0-486-24243-9
  • L. W. Hurtado, The Earliest Christian Artifacts: Manuscripts and Christian Origins, Cambridge 2006.

External links

  • Georgian Codex
  • Centre for the History of the Book
  • The Codex and Canon Consciousness – Draft paper by Robert Kraft on the change from scroll to codex
  • The Construction of the Codex In Classic- and Postclassic-Period Maya Civilization Maya Codex and Paper Making
  • Encyclopaedia Romana: "Scroll and codex"
  • K.C. Hanson, Catalogue of New Testament Papyri & Codices 2nd—10th Centuries
  • Medieval and Renaissance manuscripts, including Vulgates, Breviaries, Contracts, and Herbal Texts from 12 -17th century, Center for Digital Initiatives, University of Vermont Libraries
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