Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Guide to Tabular Presentation and Statistical Releases," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1980," Federal Reserve Bulletin (May 1980) : 148-148. https://fraser.stlouisfed.org/title/62/item/20465/toc/105398 , accessed on April 19, 2024.