Mungello (2005), p. 37. Since Italians, Spaniards, Germans, Belgians, and Poles participated in missions too, the total of 920 probably only counts European Jesuits, and does not include Chinese members of the Society of Jesus. Mungello, David E. (2005). The Great Encounter of China and the West, 1500–1800. Rowman & Littlefield. ISBN0-7425-3815-X.
Keevak (2004), p. 38. Keevak, Michael (2004). The pretended Asian: George Psalmanazar's eighteenth-century Formosan hoax. Detroit, Mich: Wayne State University Press. ISBN9780814331989.