United States. Bureau of Labor Statistics. "Proceedings of the Twelfth Annual Convention of the Association of Governmental Labor Officials of the United States and Canada: Held at Salt Lake City, Utah, August 13-15, 1925 : Bulletin of the United States Bureau of Labor Statistics, No. 411," Proceedings of the ... Annual Convention of the Association of Governmental Labor Officials of United States and Canada (May 1926). https://fraser.stlouisfed.org/title/3907/item/493135, accessed on November 18, 2024.