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2. C. T. Kung, Archeology in China (Toronto: University of Toronto Press, 1959 ), 1: 131.
3. H. Li, “The Origin and Use of Cannabis in Eastern Asia: Their Linguistic Cultural Implications,” in Cannabis and Culture, ed. V. Rubin (The Hague: Mouton, 1975), p. 54.
4. H. Li, “An Archeological and Historical Account of Cannabis in China,” Economic Botany 28 (1974); 437–48.
5. M. D. Merlin, Man and Marihuana (Rutherford, N.J.: Fairleigh Dickenson University Press, 1968), p. 80.