Federal Reserve Bank of Philadelphia. "President's Annual Report : 1966," Annual Report of the Federal Reserve Bank of Philadelphia (as of December 31, 1966). https://fraser.stlouisfed.org/title/469/item/579797, accessed on March 29, 2024.
Federal Reserve Bank of Philadelphia. "President's Annual Report : 1966," Annual Report of the Federal Reserve Bank of Philadelphia (as of December 31, 1966). https://fraser.stlouisfed.org/title/469/item/579797, accessed on March 29, 2024.