title: "A necessity in the nursing world": the Chicago Nurses Professional Registry, 1913-1950.
authors.affiliation: University of Pennsylvania, Center for Health Outcomes and Policy Research, School of Nursing, Philadelphia 19104, USA.
authors.forename: Jean C
authors.initials: JC
authors.lastname: Whelan
mesh_terms: D002641:Chicago; D004651:Employment / Q000266:history; D049673:History, 20th Century; D006801:Humans; D009744:Nursing, Private Duty / Q000266:history*; D010560:Personnel Selection / Q000266:history*; D012042:Registries