United States. Department of the Treasury. "Preliminary figures for Refund of 1 5/8% Certificates, July 25, 1958," in United States. Department of the Treasury. "Volume 114," Press Releases of the United States Department of the Treasury (July 1, 1958 - September 30, 1958) : 66-67. https://fraser.stlouisfed.org/title/6111/item/586957/toc/537717 , accessed on June 25, 2024.