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Author/Creator
- International Labour Office32
- United States. Food and Drug Administration17
- United States. Bureau of Labor Statistics7
- United States. Division of Labor Standards7
- United States. National Highway Traffic Safety Administration6
- International Labour Organisation. Asian Regional Conference5
- Argentina. Departamento Nacional del Trabajo4
- Copp, Henry N. (Henry Norris), 1843-19124
- International Labour Conference4
- American Association for Labor Legislation3
- Canada. Dept. of Labour3
- Connecticut. Bureau of Labor Statistics, author3
- Illinois Tax Commission3
- International Labour Office. Freedom of Association Committee3
- Kyūen Renraku Sentā3
- National Conference on Labor Legislation3
- United Nations. Drug Supervisory Body3
- United States. Comptroller of the Treasury3
- United States. Federal Highway Administration3
- United States. Food, Drug, and Insecticide Administration3