United States. Bureau of Labor Statistics and Barton, Julia S. Consumer Prices in the United States, 1959-68: Trends and Indexes : Bulletin of the United States Bureau of Labor Statistics, No. 1647 , Washington, D.C: U.S. Dept. of Labor Bureau of Labor Statistics, 1970, https://fraser.stlouisfed.org/title/4692, accessed on December 26, 2024.