Proceedings of the Nineteenth Annual Meeting of the International Association of Industrial Accident Boards and Commissions. Held at Columbus, Ohio, September 26-29, 1932 : Bulletin of the United States Bureau of Labor Statistics, No. 577
International Association of Industrial Accident Boards and Commissions and United States. Bureau of Labor Statistics. "Proceedings of the Nineteenth Annual Meeting of the International Association of Industrial Accident Boards and Commissions. Held at Columbus, Ohio, September 26-29, 1932 : Bulletin of the United States Bureau of Labor Statistics, No. 577," Proceedings of the ... Annual Meeting of the International Association of Industrial Accident Boards and Commissions (1933). https://fraser.stlouisfed.org/title/3949/item/493196, accessed on May 17, 2024.
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