Proposed Revision of Individual Income Tax Rates and Exemptions, December 8, 1931
United States. Department of the Treasury. "Proposed Revision of Individual Income Tax Rates and Exemptions, December 8, 1931," in United States. Department of the Treasury. "Volume 7," Press Releases of the United States Department of the Treasury (January 10, 1931 - December 30, 1931) : 287-289. https://fraser.stlouisfed.org/title/6111/item/586845/toc/557576 , accessed on April 24, 2024.