Aftermath of the Imjin War (Toyotomi Hideyoshi's Invasions of Korea)
Database of East Asian old manuscripts 동양고전종합DB
Yuan shi 元史 | 国学网站 — 原典宝库
Yuan shi 元史
The Digital Analysis System for Humanities 數位人文研究平台 | Academia Sinica
Archive of Buddhist Culture 불교학술원 아카이브
The Veritable of the Joseon Dynasty 조선왕조실록
Seoul Museum of History
Paula R. Curtis