United States. Department of the Treasury. "Candian Cattle Imports, August 14, 1939," in United States. Department of the Treasury. "Volume 28," Press Releases of the United States Department of the Treasury (June 20, 1939 - October 11, 1939) : 206-208. https://fraser.stlouisfed.org/title/6111/item/586870/toc/567740 , accessed on March 29, 2024.