United States. Department of the Treasury. "2 1/2% Allotments, May 18, 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) : 178-179. https://fraser.stlouisfed.org/title/6111/item/586884/toc/561146 , accessed on May 1, 2024.