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How many papyrus rolls may the Library of Alexandria have held at its height?
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Alexandria
The mosque of Abū al-ʿAbbās al-Mursī, Alexandria, Egypt.
Estimates regarding the size of the Library of Alexandria vary significantly among historical sources, as there is no single definitive record of its total holdings.1
At its height, the library's collection likely numbered 500,000 or more papyrus rolls, with many of these scrolls containing more than one work. Other historical estimates include:2
- 3rd century BCE: The earliest surviving figure reports "more than 200,000 books".1
- Medieval accounts: The scholar John Tzetzes provided a more detailed breakdown, citing 42,000 books in the outer library, and 490,000 in the inner (Royal) Library—comprised of 400,000 mixed books and 90,000 unmixed books.1
- 2nd to 4th centuries CE: Some reports estimated the total collection reached as high as 700,000 rolls.1
These collections were essential to the Mouseion, serving as a primary resource for the scholars and poets who worked there to preserve and organize the manuscript traditions of classical literature.324