1. Voluntary Sterilization: An International Fact Book;Ross,1985
2. Colonialism, Catholicism, and Contraception;de Arellano AB,1983
3. Contraceptive use and the need for family planning in Puerto Rico;Herold;Family Planning Perspectives,1986
4. Puerto Rico Fertility and Family Planning Assessment (1982) Tape Contents Manual,1984
5. Modern Epidemiology;Rothman,1986