155 Differential and developmental psychology
155.4 Child psychology
155.4085 Relatives 155.4086 People by miscellaneous social attributes 155.41 General topics of child psychology 155.42 Children in specific age groups 155.43 Children by gender or sex 155.44 Children by status and relationships 155.45 Exceptional children; children by social and economic levels, by ethnic or national group
Dewey Decimal Classification
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