en
15
Psychology
155
Differential and developmental psychology
155.2
Individual psychology
155.3
Sex psychology; psychology of people by gender or sex, by sexual orientation
155.4
Child psychology
155.5
Psychology of young people twelve to twenty
155.6
Psychology of adults
155.7
Evolutionary psychology
155.8
Ethnopsychology and national psychology
155.9
Environmental psychology
Dewey Decimal Classification
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