Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 6, 1975 : Description and Sources of Data Plotted in the Weekly Series of Charts,"
H.13 Selected Interest and Exchange Rates, Weekly Series of Charts
(January 6, 1975).
https://fraser.stlouisfed.org/title/1077/item/45758, accessed on July 16, 2025.