United States. Department of the Treasury. "New 1 dollar bills -- "IN GOD WE TRUST", July 25, 1957," in United States. Department of the Treasury. "Volume 110," Press Releases of the United States Department of the Treasury (May 2, 1957 - July 26, 1957) : 247-249. https://fraser.stlouisfed.org/title/6111/item/586953/toc/537427 , accessed on June 25, 2024.