United States. Congress. House. Committee on Banking and Currency, 1865-1974. Collateral Security for Federal Reserve Notes : Hearings... on H. 2634, a Bill to Extend the Period during which Direct Obligations of the United States May Be Used as Collateral Security for Federal Reserve Notes, May 10 and 11, 1943, Box 65, Folder 6, Item 11, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/463991, accessed on March 19, 2025.