Book Depot / Yu DuAccessible, unregistered authorYu DuAbout the authorOpen Library does not have a biography for this author yet.View the Open Library author record ↗ (opens in a new tab)Connected worksBooks by Yu DuCkcCover not catalogedFirst published 1675Chʻunchʻu kyŏngjŏn chiphaeYu DuSaveCcCover not catalogedFirst published 1675Chʻunchʻu chwajŏnYu DuSave