United States. Congress. Senate. Committee on Post Office and Civil Service. Increasing Rates of Compensation of the Heads and Assistant Heads of Executive Departments and Independent Agencies : Report to Accompany H. R. 1689, Box 46, Folder 22, Item 5, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/464280, accessed on July 16, 2025.