Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Monthly Seasonal Factors Used to Construct M1," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1998," Federal Reserve Bulletin (April 1998) : 33-33. https://fraser.stlouisfed.org/title/62/item/20911/toc/309893 , accessed on April 24, 2024.