1. Social class and infant mortality;Antonovsky;Social Science and Medicine,1977
2. Child and Youth in America: a Documentary History. II: 1866-1932,1971
3. Historical Statistics of the United States: Earliest Times to the Present;Carter,2006
4. The Relationship of Certain Biologic and Socio-economic Factors of Fetal, Infant, and Early Childhood Mortality;Chase,1962
5. Regional Model Life Tables and Stable Populations;Coale,1966