Summary of Annual Report of the Surgeon General for Fiscal Year 1937, January 9, 1938
United States. Department of the Treasury. "Summary of Annual Report of the Surgeon General for Fiscal Year 1937, January 9, 1938," in United States. Department of the Treasury. "Volume 22," Press Releases of the United States Department of the Treasury (December 15, 1937 - April 15, 1938) : 28-38. https://fraser.stlouisfed.org/title/6111/item/586863/toc/567107 , accessed on April 18, 2024.