Children Language 136 Health and hygiene 77 Books and reading 62 Nutrition 54 Institutional care 47 Growth 34 Child development 33 Diseases 31 History 30 Child welfare 29 Infants 27 Child psychology 24 Children's literature 24 Employment 23 Legal status, laws, etc 23 Services for 23 Social conditions 23 Bibliography 20 Education 19 Youth 17 Congresses 16 English language 14 In infancy & childhood 14 Pediatrics 14 Case studies 13 Child care 13 Child rearing 13 Day care centers 13 History and criticism 13