Children History 487 Social conditions 407 Books and reading 276 Language 218 Child welfare 216 Legal status, laws, etc 199 更多 ... History and criticism 196 Child 147 Child development 147 Health and hygiene 144 Education 113 Youth 106 Services for 104 World War, 1939-1945 104 Children's rights 99 children (people by age group) 92 Nutrition 86 Prevention 86 Institutional care 85 Children's literature 84 Families 82 Government policy 82 Social life and customs 78 Social aspects 76 Diseases 74 Child rearing 73 Religious life 70 Death 69 Child psychology 66 少 ...