Brown, Prentiss M., 1889-1973 and United States. Office of Price Administration. Division of Research. Effect of a Mandatory 48-Hour Work Week on Price Ceilings in Civilian Industries, Box 31, Folder 6, Item 9, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/465355, accessed on March 25, 2025.