United States. Congress. Joint Economic Committee, 1956- , United States. President and Ninetieth Congress, 1967-1969. "Part 4, February 20, 21, and 23, 1967" in 1967 Economic Report of the President : Hearings Before the Joint Economic Committee, Congress of the United States, Ninetieth Congress, First Session (1967) (February 20, 21, and 23, 1967). https://fraser.stlouisfed.org/title/1211/item/3588, accessed on October 14, 2024.