Burns, Robert I. (1996). "Paper comes to the West, 800−1400". In Lindgren, Uta. Europäische Technik im Mittelalter. 800 bis 1400. Tradition und Innovation (4th ed.). Berlin: Gebr. Mann Verlag. pp. 413–422. ISBN3-7861-1748-9.
Tsien, Tsuen-Hsuin (1985), Paper and Printing, Joseph Needham, Science and Civilisation in China, Chemistry and Chemical Technology, Vol. 5 part 1, Cambridge University Press
