Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Guide to Tabular Presentation, Statistical Releases, and Special Tables," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1991," Federal Reserve Bulletin (May 1991) : 159-159. https://fraser.stlouisfed.org/title/62/item/20828/toc/127953 , accessed on March 28, 2024.