International Association of Governmental Labor Officials. Convention , United States. Bureau of Labor Statistics , United States. Division of Labor Standards and United States. Bureau of Labor Standards. "Labor Laws and Their Administration, 1940. Proceedings of the Twenty-Sixth Convention of the International Association of Governmental Labor Officials, New York City, September 1940 : Bulletin of the United States Bureau of Labor Statistics, No. 690," Labor Laws and Their Administration : Proceedings of the ... Convention of the International Association of Governmental Labor Officials (September 1940). https://fraser.stlouisfed.org/title/3962/item/494368, accessed on February 16, 2025.