United States. Department of the Treasury. "Amendment for General License No. 53, June 25, 1947," in United States. Department of the Treasury. "Volume 67," Press Releases of the United States Department of the Treasury (June 5, 1947 - August 4, 1947) : 122-123. https://fraser.stlouisfed.org/title/6111/item/586910/toc/562346 , accessed on June 25, 2024.