1. Alan Guttmacher Institute, Abortion Fact Book, 1992 Edition, Stanley Henshaw and Jennifer Van Vort, eds. (New York, NY: Alan Guttmacher Institute, 1992).
2. - "An Analysis of Pre-1973 State Laws on Abortion," mimeo, March 1989.
3. Angrist, Joshua, and William Evans, "Schooling and Labor Market Consequences of the 1970 State Abortion Reforms," National Bureau of Economic Research, Working Paper No. 5406, January 1996.
4. Unwanted Childbearing, Health, and Mother-Child Relationships
5. Beck, Allen, et al. "Survey of State Prison Inmates, 1991," Bureau of Justice Statistics Bulletin, NCJ 136949, March 1993.