United States. Office of Management and Budget. "Fiscal Year 2023 : Table 4.1 - Outlays by Agency: 1962-2027," Historical Tables, Budget of the United States Government (March 28, 2022). https://fraser.stlouisfed.org/title/383/item/612092/content/xlsx/BUDGET-2023-TAB-5-1, accessed on April 18, 2026.
United States Government Publishing Office