United States. Department of the Treasury. "Silver and Gold Receipts, April 23, 1934," in United States. Department of the Treasury. "Volume 14A," Press Releases of the United States Department of the Treasury (January 1, 1934 - December 31, 1934) : 136-137. https://fraser.stlouisfed.org/title/6111/item/586854/toc/570600 , accessed on April 18, 2024.