Reponse to Inquiries on Money Advanced to Carriers Under Section 209 of the Transportation Act of 1920, October 20, 1920
United States. Department of the Treasury. "Reponse to Inquiries on Money Advanced to Carriers Under Section 209 of the Transportation Act of 1920, October 20, 1920," in United States. Department of the Treasury. "Volume 1A," Press Releases of the United States Department of the Treasury (March 30, 1918 - December 26, 1921) : 294-295. https://fraser.stlouisfed.org/title/6111/item/586836/toc/558022 , accessed on September 22, 2023.