1. Infant care Author(s): United States. Children's Bureau, issuing body. Publication: Washington, D.C. : U.S. Government Printing Office, 1938 Subject(s): Infant CareChild DevelopmentFeeding BehaviorInfant, Newborn, Diseases
2. Letter from Fred L. Soper to Wilbur A. Sawyer Publication: Produced: 23 November 1938 Subject(s): Mosquito ControlCulicidaeBudgetsMalariaFinancial Support Archival Collection: The Fred L. Soper Papers (Profiles in Science)