United States. Department of the Treasury. "Hong Kong Licenses Revoked, December 27, 1941," in United States. Department of the Treasury. "Volume 39," Press Releases of the United States Department of the Treasury (December 12, 1941 - January 27, 1942) : 130-135. https://fraser.stlouisfed.org/title/6111/item/586882/toc/566315 , accessed on April 26, 2024.