The Chester Beatty Biblical papyri show that Christians began to use the codex, or leaf - book, in place of the unwieldy scroll at a very early date, likely before the end of the first century C.E.
चेस्टर बिटी लायब्ररीतील बायबलच्या पपायरस प्रतींवरून दिसून येते, की ख्रिश्‍चनांनी फार आधीपासून, कदाचित सा.