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The Conservation and Digitization of the Yongle Dadian at the Library of Congress

Tuesday, September 27, 2022 at 12:00pm to 1:00pm

Kroch Library, 2B48
Olin Library, Ithaca, NY 14850, USA

Dan Paterson, senior book conservator at the Library of Congress, discusses the conservation treatment and digitization of 41 volumes of the Yongle Dadian. This Ming Dynasty-era encyclopedia was the largest of its kind in the world until it was surpassed by Wikipedia in 2007. Of the 11,100 manuscript volumes originally produced, only 400 volumes survive today. Five of these surviving volumes are in the Asia Collections of the Carl A. Kroch Library at Cornell. This hybrid talk, sponsored by Cornell University Library Conservation, will explore the materiality of the manuscripts and their unique preservation challenges.

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Event Type



Cornell University Library, Kroch Library

University Themes

Public Engagement, Research


asianstudiescal, JohnsonMuseum

Contact E-Mail

Contact Name

Trina Parks


Dan Paterson

Speaker Affiliation

Library of Congress

Speaker Web Site

Dept. Web Site

Disability Access Information

Kroch Library is wheelchair accessible; entrance is through Olin Library. For more information, contact disability services coordinator Bethany Silfer at

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