United States. Department of the Treasury. "Call for Redemption of Fourth Liberty Loan Bonds, April 14, 1935," in United States. Department of the Treasury. "Volume 14," Press Releases of the United States Department of the Treasury (December 29, 1934 - May 20, 1935) : 411-414. https://fraser.stlouisfed.org/title/6111/item/586853/toc/566586 , accessed on September 26, 2023.