1. van Gulik, R., ed. 1958.Chinese Pictorial Art136Rome: Istituto Italiano per il Medio ed Estremo Oriente.
2. XUAN PAPER
3. All this information is included in theYunn dai hua su ji(Notes on the Pictures and Statues of the Yuan Dynasty) part of a group of works that survived the Boxer rebellion in manuscript copies. The text was extracted from the great Ming encyclopaedia, theYong le da dianand published by the Qing scholar Wang guo wei (1877–1927) of the Tsang sheng ming chih University (van Gulik 227)