Education, Income, and Earnings
United States. Bureau of Labor Statistics. "Education, Income, and Earnings," in United States. Bureau of Labor Statistics. U.S. Working Women: A Databook : Bulletin of the United States Bureau of Labor Statistics, No. 1977 , 1977 : 38-48. https://fraser.stlouisfed.org/title/242/toc/351963 , accessed on April 25, 2024.