United States. Bureau of Labor Statistics. Division of Occupational Outlook. "Earnings and Supplementary Benefits in Hospitals, Minneapolis-St. Paul, Minnesota, March 1957 : Bulletin of the United States Bureau of Labor Statistics, No. 1210-15,"
Industry Wage Survey: Hospitals
(August 1957).
https://fraser.stlouisfed.org/title/4567/item/495702, accessed on March 5, 2025.
@FedFRASER