1. For a much fuller listing that compresses into these categories, see Bernard Berelson, “Paths to fertility reduction: The policy cube,” Family Planning Perspectives 9, no. 5 (September/October 1977):213–219.
2. Judith Blake, “Population policy for Americans: Is the government being misled?” Science 164(2 May 1969):528.
3. W. Parker Mauldin, ‘Assessment of national family planning programs in developing countries,’ Studies in Family Planning 6, no. 3 (February 1975): 33.
4. Bernard Berelson, “Romania’s 1966 anti-abortion decree: The demographic experience of the first decade,” Population Studies 33, no. 2 (1979): 209–222.
5. Oliver D. Finnigan III and T. H. Sun, “Planning, starting, and operating an educational incentives project;’ Studies in Family Planning 3, no. 1 (January 1972)