Historical records of the first three reigns of the Qing dynasty, during which time the Jesuits were very active and these records so indicate (Cf. Li Tiangang 李天綱).

"Donghualu 東華錄 (Records from within the Eastern Gate)....important annalistic source (covering from 1644 to the Yongzheng period) is so called from the fact that the first compiler, Jiang Liangqi, worked as an official in the Guoshiguan 國史館 (Historiography Institute), which after 1765 was situated inside the Donghua gate of the Forbidden City (the imperial archives, Huangshicheng....were just across the road from it)...." Cf. Wilkinson, Chinese history, a manual, p. 842.