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, 1938. Proceedings of the Twenty-Fourth Convention of the International Association of Governmental Labor Officials, Charleston, S.C., September 1938 : Bulletin of the United States Bureau of Labor Statistics, No. 666," Labor Laws and Their Administration : Proceedings of the ... Convention of the International Association of Governmental Labor Officials (June 1939). https://fraser.stlouisfed.org/title/3962/item/494366, accessed on December 20, 2024.