United States. Bureau of Labor Statistics. Division of Occupational Outlook. "Employee Earnings in Retail Trade in October 1956, Drug Stores and Proprietary Stores : Bulletin of the United States Bureau of Labor Statistics, No. 1220-7,"
Employee Earnings in Retail Trade
(July 1957).
https://fraser.stlouisfed.org/title/4568/item/495723, accessed on December 3, 2024.