International Association of Industrial Accident Boards and Commissions and United States. Bureau of Labor Statistics. "Proceedings of the Fourteenth Annual Meeting of the International Association of Accident Boards and Commissions: Held at Atlanta, Ga., September 27-29, 1927 : Bulletin of the United States Bureau of Labor Statistics, No. 456," Proceedings of the ... Annual Meeting of the International Association of Industrial Accident Boards and Commissions (1928). https://fraser.stlouisfed.org/title/3949/item/493191, accessed on June 14, 2026.