Tongguk t'onggam
…by Sŏ Kŏjŏng (1420–1488) and other scholars in the 15th century. Originally commissioned by King Sejo in 1446, it was completed under the reign of Seongjong of Joseon, in 1485. The official Ch'oe Pu was one of the scholars who helped compile and edit the work. The earlier works on which it may have been based have…