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Subject
- Wages20
- Employee fringe benefits11
- Wage surveys4
- Agriculture, Cooperative3
- Occupational diseases3
- Occupations3
- Education2
- Hazardous occupations2
- Industrial accidents2
- Industrial hygiene2
- Labor supply2
- Poisons2
- Adult education1
- African Americans1
- Apprentices1
- Business education1
- Carbon disulfide1
- Child labor1
- Cotton growing1
- Cotton trade1