1. The Sexual Behaviour of Young People;Schofield,1968
2. The Sexual Wilderness;Packard,1970
3. Premarital sexual behavior in the Sixties;Cannon;J. Marr. Fam.,1971
4. Decline and fall of the double standard;Smigelf;Ann. Am. Acad. Polit. Sci.,1968
5. Premarital sexual experience among coeds, 1958 and 1968;Bell;J. Marr. Fam.,1970