1Field Musuem Information: China at the Field, The Field in China.
2Paul Kroll. Kleinere Schriften von Berthold Laufer. Teil 3: Nachtrage und Briefwechsel, Review.Journal of the American Oriental Society, 1987, 107 (1): 163.
3Berthold Laufer. Columbus and Cathay,and the Meamng of America to the Orientalist, Journal of the American Oriental Society, 1931, 51 (2): 103.
4Wm. Theodore de Bary. East Asian Studies at Columbia: The Early Years, Living Legacies: Great Moments and Leading Figures in the History of Columbia University.
5Mortimer Graves. The Need and the Plans for Chinese Studies in the United States, Annals of the American Academy of Political and Social Science, 1930, 152: 377.
