Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Estimated Federal Personal Income Tax Liability of Family Units," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1950," Federal Reserve Bulletin (August 1950) : 33-33. https://fraser.stlouisfed.org/title/62/item/21188/toc/212391 , accessed on April 25, 2024.