United States. Department of the Treasury. "Appointment of Roy Blough as Director of Tax Research, May 9, 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) : 127-129. https://fraser.stlouisfed.org/title/6111/item/586864/toc/567228 , accessed on May 4, 2024.