Instructions Released to Expedite Audit and Investigation of Income Tax Returns Filed for 1936 and 1937, May 5, 1938
United States. Department of the Treasury. "Instructions Released to Expedite Audit and Investigation of Income Tax Returns Filed for 1936 and 1937, May 5, 1938," in United States. Department of the Treasury. "Volume 23," Press Releases of the United States Department of the Treasury (April 16, 1938 - July 14, 1938) : 77-80. https://fraser.stlouisfed.org/title/6111/item/586864/toc/567224 , accessed on April 18, 2024.