Federal Reserve Bank of Minneapolis. "Annual Report, 1940," Annual Report to the Directors of the Federal Reserve Bank of Minneapolis (as of December 31, 1940). https://fraser.stlouisfed.org/title/1159/item/1944, accessed on April 18, 2024.
Federal Reserve Bank of Minneapolis. "Annual Report, 1940," Annual Report to the Directors of the Federal Reserve Bank of Minneapolis (as of December 31, 1940). https://fraser.stlouisfed.org/title/1159/item/1944, accessed on April 18, 2024.