Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: Y023RG
A Guide to the National Income and Product Accounts of the United States (NIPA) - (http://www.bea.gov/national/pdf/nipaguid.pdf)
U.S. Bureau of Economic Analysis, Price Index for Private Fixed Investment in Intellectual Property Products: Entertainment, literary, and artistic originals: Books [Y023RG3A086NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Y023RG3A086NBEA, September 18, 2020.