WANG, Richard G. The Ming Prince and Daoism : Institutional Patronage of an Elite. Oxford: Oxford University Press, 2012. 336 s. Dostupné online. ISBN019990989X, ISBN9780199909896. S. xvi. (anglicky) [Dále jen Wang].
TSAI, Shih-Shan Henry. Perpetual Happiness: The Ming Emperor Yongle. Seattle, Wash.; Chesham: University of Washington Press; Combined Academic, 2002. 286 s. Dostupné online. ISBN0295981245. S. 215. (anglicky)
