Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "U.S. Reserve Assets," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1975," Federal Reserve Bulletin (April 1975) : 138-138. https://fraser.stlouisfed.org/title/62/item/21484/toc/108603 , accessed on April 23, 2024.