United States. Bureau of Labor Statistics. Division of Occupational Outlook. "Earnings and Supplementary Benefits in Hospitals, San Francisco-Oakland, California, November 1956 : Bulletin of the United States Bureau of Labor Statistics, No. 1210-13,"
Industry Wage Survey: Hospitals
(August 1957).
https://fraser.stlouisfed.org/title/4567/item/495700, accessed on March 5, 2025.
@FedFRASER