References
- Whelpton , P. K. 1954 . “Future Fertility of American Women” . Eugenics Quarterly , I : 4 – 15 .
- Freedman , R. and Sharp , H. 1954 . “Correlates of Values About Ideal Family Size in the Detroit Metropolitan Area” . Population Studies , VIII : 37 – 37 .
- Kitagawa , E. 1953 . “Differential Fertility in Chicago, 1920–1940” . American Journal of Sociology , LVIII : 481 – 492 .