United States. Department of the Treasury. "The Growth of Tax Exempt Securities in the United States, March 20, 1924," in United States. Department of the Treasury. "Volume 3A," Press Releases of the United States Department of the Treasury (January 5, 1924 - December 7, 1925) : 76-80. https://fraser.stlouisfed.org/title/6111/item/586840/toc/558528 , accessed on May 19, 2024.