1. Population, Food Intake, and Fertility
2. Hufton , O. H. 1974 .The poor of eighteenth-century France 1750–1789.45 Oxford : Clarendon Press. Frisch, Population, food intake and fertility, 24. Yet in eighteenth-century France, malnourished women could reach menarche as late as age eighteen, nineteen, or twenty
3. Bongaarts .Does malnutrition affect fecundity?566
4. Frisch , R. 1972 .Pediatrics50 As cited in Bongaarts, Does malnutrition affect fecundity? 566
5. Persistence of Party Success in American Presidential Elections