United States. Bureau of Labor Statistics.
Employee Earnings and Hours in Nonmetropolitan Areas of the South and North Central Regions, June 1965 : Bulletin of the United States Bureau of Labor Statistics, No. 1552 ,
Washington, D.C:
U.S. Dept. of Labor, Bureau of Labor Statistics,
June 1967, https://fraser.stlouisfed.org/title/4713,
accessed on November 14, 2024.