Burton, Margaret E. (2004). "Shi, Meiyu (Mary Stone) (1873-1954) One Of The First Chinese Medical Doctors". Notable Women of Modern China. New York: Fleming H. Revell Company.
silo.tips
Bays’, Daniel H. (2012). "The Bethel Band and the paradoxical John Sung (Song Shangjie)". In Wiley-Blackwell Publishers, Daniel H. Bays’ (ed.). A New History of Christianity in China. Oxford, OR: Blackwell Publishers. p. 136. ISBN978-1405159548.