Proceedings of the Twelfth Annual Meeting of the International Association of Industrial Accident Boards and Commissions. Held at Salt Lake City, Utah, August 17-20, 1925 : Bulletin of the United States Bureau of Labor Statistics, No. 406
International Association of Industrial Accident Boards and Commissions and United States. Bureau of Labor Statistics. "Proceedings of the Twelfth Annual Meeting of the International Association of Industrial Accident Boards and Commissions. Held at Salt Lake City, Utah, August 17-20, 1925 : Bulletin of the United States Bureau of Labor Statistics, No. 406," Proceedings of the ... Annual Meeting of the International Association of Industrial Accident Boards and Commissions (1928). https://fraser.stlouisfed.org/title/3949/item/493189, accessed on May 2, 2024.
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