Footnotes
- James , W. H. 1963 . Notes towards an epidemiology of spontaneous abortion . American Journal of Human Genetics , 15 : 223 – 223 .
- Sheps , M. C. and Perrin , E. B. 1964 . The distribution of birth intervals under a class of stochastic fertility models . Population Studies , 17 : 321 – 321 .
- Shapiro , S. , Jones , E. W. and Densen , P. M. 1962 . A life table of pregnancy terminations and correlates of fetal loss . Milbank Memorial Fund Quarterly , 40 : 7 – 7 .
- French , F. E. and Bierman , J. M. 1962 . Probabilities of fetal mortality . Public Health Reports , 77 : 835 – 835 .
- et al. Sexual Behavior in the Human Female Philadelphia and London 1953
- et al. Sexual Behavior in the Human Male Philadelphia and London 1948
- Brass , W. 1958 . The distribution of births in human populations . Population Studies , 12 : 51 – 51 .
- Bruce , H. 1964 . The language of odour . Discovery , 25 ( 5 ) : 19 – 19 .
- Tietze , C. 1957 . Reproductive span and rate of reproduction among Hutterite women . Fertility and Sterility , 8 : 89 – 89 .
- Henry , L. 1963 . Aspects biologiques de la fécondité . Proceedings of the Royal Society, ‘B’ , 159 : 81 – 81 .
- Eaton , J. W. and Mayer , A. J. 1953 . The social biology of very high fertility among the Hutterites . Human Biology , 25 : 206 – 206 .
- Vollmann , R. 1962 . Science and the Safe Period Baltimore quoted by C. G. Hartman
- Collett , M. E. , Wertenberger , G. E. and Fiske , V. M. 1954 . The effect of age upon the pattern of the menstrual cycle . Fertility and Sterility , 5 : 437 – 437 .
- Henry , L. 1958 . Intervals between confinements in the absence of birth control . Eugenics Quarterly , 5 : 200 – 200 .
- Henry , L. 1963 . Aspects biologiques de la fécondité . Proceedings of the Royal Society, ‘B’ , 159 : 81 – 81 .
- Westoff , C. F. , Potter , R. G. , Sagi , P. C. and Mishler , E. G. 1961 . Family Growth in Metropolitan America Princeton
- Potter , R. G. 1961 . Length of the fertile period . Milbank Memorial Fund Quarterly , 39 : 132 – 132 .
- Potter , R. G. , Westoff , C. F. and Sagi , P. C. 1963 . Delays in conception: a discrepancy re-examined . Eugenics Quarterly , 10 : 53 – 53 .