1. Fertility of Man
2. Perrin, E. B. and Sheps, M. C. Human Reproduction: A Stochastic Process. mimeographed paper to be presented at the August, 1963, meeting of the International Statistical Institute, Ottawa, Canada,
3. Tietze, C. The Effect of Breastfeeding on the Rate of Conception. mimeographed paper prepared for the 1961 International Population Conference,
4. Cf. Westoff C. F. Potter R. G. Sagi P. C. Mishler E. G.Family Growth in Metropolitan AmericaPrinceton1961 51 7
5. Westoff, C. F., Potter, R. G., Sagi, P. C. and Mishler, E. G. 1961.Family Growth in Metropolitan America54–7. Princeton