Federal Reserve Bank of St. Louis. "Week Ending: April 1, 1970," U.S. Financial Data (April 1, 1970). https://fraser.stlouisfed.org/title/5335/item/537838, accessed on January 25, 2021.
Federal Reserve Bank of St. Louis. "Week Ending: April 1, 1970," U.S. Financial Data (April 1, 1970). https://fraser.stlouisfed.org/title/5335/item/537838, accessed on January 25, 2021.