This book introduces Ryukyu's historical data from the Qing dynasty (hereafter referred to as "Ryukyu's historical data") in the collection of the National Palace Museum (NPM). The NPM houses a large collection of Ryukyu's historical data, which have subsequently been stored into different archives. These data comprise mostly imperially endorsed palace memorials, Copies of the Grand Council Memorials, and other official record books, and various sections of the data are published periodically. This book contains archives of the Ch'ing historiography Institute, records of the words and deeds of Chinese emperors, other true records, and six imperially endorsed palace memorials.