United States. Department of the Treasury. "Investigation of Sterling Products, Inc., April 17, 1942," in United States. Department of the Treasury. "Volume 41," Press Releases of the United States Department of the Treasury (April 7, 1942 - June 10, 1942) : 101-102. https://fraser.stlouisfed.org/title/6111/item/586884/toc/561104 , accessed on June 30, 2024.