1. Roots of happiness Publication: Bethesda, MD : U.S. National Library of Medicine, 2016 and Original version: New York, NY : Mental Health Film Board, Inc. 1953 Subject(s): Parent-Child RelationsChild DevelopmentHappinessParenting -- psychologyPuerto Rico
2. [Preface to a life] Publication: [Washington, DC] : U.S. Public Health Service, [1950] Subject(s): Child RearingParent-Child RelationsParenting -- psychologyPersonality DevelopmentPsychology, Child
3. Babysitter wanted Publication: [Baltimore, Md.] : Campaign for Our Children, [19--?] Subject(s): Parenting -- psychologyParent-Child RelationsMothers -- psychology
