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2. ———. 1937a. Land Utilization in China: A Study of 16,786 Farms I 168 Localities, and 38,256 Farm Families in Twenty-Two Provinces in China, 1929–1933. University of Nanking (1937), University of Chicago Press, Chicago (1937), and The Council on Economic and Cultural Affairs, NY NT, 1956.
3. ———. 1937b. Land Utilization in China-Atlas. Chicago: University of Nanking (1937), University of Chicago Press.
4. ———. 1937c. Land Utilization in China-Statistics. Chicago: University of Nanking (1937), University of Chicago Press.
5. Buck, J.L., and W.Y. Sever. 1925. An Economic and Social Survey of 150 Farms: Yenshan County, Chihli Province, China (No. 13). Nanking University, College of Agriculture and Forestry.