5Blond' s Constitutional Law [M]. 1993 Sulzburger & Graham Publishing, Ltd. 328,329,340 - 341,329.
6Robert L. Lineberry, George C. Edwards Ⅲ, Martin P. Wattenberg. Government in America, brief version, second edition, Harper Collions College Publisher. p. 90.
7See Richard A Posner and Katharine B Silbaugh , A Guide to America's Sex Law, Chicago and London: the University of Chicago Press, 1996.
8See Matthew H Sommer, Sex, Law, and Society in Late Imperial China, Stanford, California: Standford University Press,2000, p.30.
9Fox Butterfield, China: Alive in the Bitter Sea, Bantam books, 1982, p.131.
10See Kathleen Barry, The Prostitution of Sexuality, New York and London: New York University Press, 1995, pp. 235 - 236.
