United States. Department of the Treasury. "Bill Offering, June 26, 1963, Release Number d-892," in United States. Department of the Treasury. "Volume 137," Press Releases of the United States Department of the Treasury (June 4, 1963 - August 4, 1963) : 156-161. https://fraser.stlouisfed.org/title/6111/item/586980/toc/539187 , accessed on June 23, 2024.