30 Social sciences, sociology & anthropology
305 Groups of people
305.2 Age groups 305.3 People by gender or sex 305.4 Women 305.5 People by social and economic levels 305.6 Religious groups 305.7 Language groups 305.8 Ethnic and national groups 305.9 People by occupation and miscellaneous social statuses; people with disabilities and illnesses, gifted people
Dewey Decimal Classification
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