Proceedings of the Sixteenth Annual Meeting of the International Association of Industrial Accident Boards and Commissions. Held at Buffalo, N.Y., October 8-11, 1929 (1930) : Bulletin of the United States Bureau of Labor Statistics, No. 511
International Association of Industrial Accident Boards and Commissions and United States. Bureau of Labor Statistics. "Proceedings of the Sixteenth Annual Meeting of the International Association of Industrial Accident Boards and Commissions. Held at Buffalo, N.Y., October 8-11, 1929 (1930) : Bulletin of the United States Bureau of Labor Statistics, No. 511," Proceedings of the ... Annual Meeting of the International Association of Industrial Accident Boards and Commissions (1930). https://fraser.stlouisfed.org/title/3949/item/493193, accessed on May 1, 2024.
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