Association of Governmental Officials in Industry of the United States and Canada. [Formerly Association of Governmental Labor Officials] Sixteenth Annual Convention, Toronto, Canada, June 4-7, 1929 : Bulletin of the United States Bureau of Labor Statistics, No. 508
United States. Bureau of Labor Statistics. "Association of Governmental Officials in Industry of the United States and Canada. [Formerly Association of Governmental Labor Officials] Sixteenth Annual Convention, Toronto, Canada, June 4-7, 1929 : Bulletin of the United States Bureau of Labor Statistics, No. 508," Proceedings of the ... Annual Convention of the Association of Governmental Labor Officials of United States and Canada (1930). https://fraser.stlouisfed.org/title/3907/item/493139, accessed on April 17, 2024.
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