Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Open-End Investment Companies - Net Sales and Asset Position," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1981," Federal Reserve Bulletin (May 1981) : 110-110. https://fraser.stlouisfed.org/title/62/item/20477/toc/104818 , accessed on April 19, 2024.