United States. Bureau of Labor Statistics. "Salaries of Office Workers in Large Cities, 1949. Part III. Cleveland, Minneapolis-St. Paul, Portland, Oreg., Richmond : Bulletin of the United States Bureau of Labor Statistics, No. 960-3" in Salaries of Office Workers in Large Cities, 1949 : Bulletin of the United States Bureau of Labor Statistics, No. 960 (1949). https://fraser.stlouisfed.org/title/4409/item/495032, accessed on February 13, 2025.