Heller, H. Robert (Heinz Robert), 1940- and Board of Governors of the Federal Reserve System (U.S.), 1935- "A Double Umbrella for the Banking System." Bank and Financial Analysts Association's 17th Annual Conference on Banking, New York, March 26, 1987, https://fraser.stlouisfed.org/title/923/item/35808, accessed on August 6, 2024.