United States. Department of the Treasury. "Assets of National Banks, September 21, 1956," in United States. Department of the Treasury. "Volume 108," Press Releases of the United States Department of the Treasury (September 1, 1956 - December 29, 1956) : 39-46. https://fraser.stlouisfed.org/title/6111/item/586951/toc/537182 , accessed on June 25, 2024.