United States. Bureau of Economic Analysis. "Second Quarter 1969 : Corporate Profits, Revised GNP, Federal Receipts and Expenditures, OBE 69-40,"
Bureau of Economic Analysis (BEA) News Releases
(August 14, 1969).
https://fraser.stlouisfed.org/title/6148/item/595001, accessed on March 22, 2025.
@FedFRASER