Forbidden City: The QingDynasty, 1644-1912 (Illustrated ed.). Viking. ISBN 0670811645. Zhao, Erxun (1928). Draft History of Qing (Qing Shi Gao) (in Chinese)
Lu; Scott, Rosemary E. (1988). Daily Life in the Forbidden City: The QingDynasty, 1644-1912 (Illustrated ed.). Viking. ISBN 0670811645. Wei, Betty Peh-T'i
Forbidden City: The QingDynasty, 1644-1912 (Illustrated ed.). Viking. ISBN 0670811645. Zhao, Erxun (1928). Draft History of Qing (Qing Shi Gao) (in Chinese)