Preston, Samuel H.; Walle, Etienne Van De - In: Population (french edition) 29 (1974) 1, pp. 89-107
SUMMARY Data concerning infant mortality in the Paris region during the 19th century are jar from reliable because many children were fostered in the countryside, so that the number of deaths (numerator) is reduced while that of births (denominator) is not. Errors due to this practice are not...
