Federal Reserve Bank of Minneapolis. "Annual Report, 1972," Annual Report of the Federal Reserve Bank of Minneapolis (as of December 31, 1972). https://fraser.stlouisfed.org/title/473/item/18298, accessed on May 11, 2024.
Federal Reserve Bank of Minneapolis. "Annual Report, 1972," Annual Report of the Federal Reserve Bank of Minneapolis (as of December 31, 1972). https://fraser.stlouisfed.org/title/473/item/18298, accessed on May 11, 2024.