Consumer Price Index for All Urban Consumers: Educational Books and Supplies in U.S. City Average (CUSR0000SEEA)

U.S. Bureau of Labor Statistics, Consumer Price Index for All Urban Consumers: Educational Books and Supplies in U.S. City Average [CUSR0000SEEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CUSR0000SEEA, June 30, 2022.