United States. Department of the Treasury. "Report on Marihuana by Commissioner of Narcotics, December 6, 1938," in United States. Department of the Treasury. "Volume 25," Press Releases of the United States Department of the Treasury (October 18, 1938 - January 12, 1939) : 279-282. https://fraser.stlouisfed.org/title/6111/item/586867/toc/567453 , accessed on May 9, 2024.