en
33
Economics
331
Labor economics
331.01
Philosophy and theory
331.04
Industrial relations by industry and occupation
331.08
Groups of people
331.0973
Labor--United States
331.1
Labor force and market
331.2
Conditions of employment
331.3
Workers by age group
331.4
Women workers
331.5
Workers by personal attributes other than age
331.6
Workers by ethnic and national origin
331.7
Labor by industry and occupation
331.8
Labor unions, labor-management bargaining and disputes
Dewey Decimal Classification
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