title: Childbearing patterns in 1850 rural America.  Fertility differentials in an agricultural society: Saginaw County, Michigan, in 1850.
authors.forename: G A
authors.initials: GA
authors.lastname: Ross
mesh_terms: D003710:Demography; D049711:History, Modern 1601-; D013223:Statistics as Topic / Q000266:history*; D014481:United States