title: Philadelphia gentry: fertility and family limitation among an American aristocracy.
authors.forename: L
authors.initials: L
authors.lastname: Kantrow
mesh_terms: D003267:Contraception / Q000266:history*; D003710:Demography; D005193:Family Planning Services / Q000266:history*; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D013223:Statistics as Topic / Q000266:history*; D014481:United States