United States. Bureau of Labor Statistics. "National Survey of Professional, Administrative, Technical, and Clerical Pay, March 1973 : Bulletin of the United States Bureau of Labor Statistics, No. 1804,"
National Survey of Professional, Administrative, Technical, and Clerical Pay
(1973).
https://fraser.stlouisfed.org/title/4570/item/499048, accessed on April 12, 2025.
@FedFRASER