Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Weekly Seasonal Factors for Selected Components of the Monetary Aggregates," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1990," Federal Reserve Bulletin (May 1990) : 66-67. https://fraser.stlouisfed.org/title/62/item/20817/toc/176491 , accessed on April 18, 2024.